Product Description
Product Description
High Quality Solid Square / Round Trailer Half Axle With Hub Bolts
1. Forged hub,(material C45) + square spindle (material St52-3) + yellow zinc bolts and nuts
2. Max. speed: 40km/h
3. Black color like in the picture with unti-rust oil; color painting as customers’ requirements; zinc plating as requirement.2.Track:accept customized.
4.Axle Beam:Round,Square for optional.
5. Full axles & stub axles for agricultural equipment
6.Track length can be met according to customers’request.
7.Brake System:with or without brake for optional.
8.Supply professional solution for customer’s trailer.
9.competetive price and excellent quality.
10. Brand Name: TF
|
30×30 |
35714/35715 |
Max.load: 300kg with Max.speed 40km/h |
3.3kg |
|
35×35 |
35714/35715 |
Max.load: 300kg with Max.speed 40km/h |
3.8kg |
|
40×40 |
35714/35716 |
Max.load: 400kg with Max.speed 40km/h |
5.3kg |
|
45×45 |
35715/35717 |
Max.load: 800kg with Max.speed 40km/h |
7kg |
|
50×50 |
35716/35719 |
Max.load: 1250kg with Max.speed 40km/h |
9kg |
Company Information
Packaging & Shipping
Our Services
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| After-sales Service: | Ok |
|---|---|
| Warranty: | 1 Year |
| Type: | Axle |
| Certification: | ISO |
| Loading Weight: | 500kg |
| Color: | Zinc |
| Samples: |
US$ 20/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
What are the key differences between live axles and dead axles in vehicle design?
In vehicle design, live axles and dead axles are two different types of axle configurations with distinct characteristics and functions. Here’s a detailed explanation of the key differences between live axles and dead axles:
Live Axles:
A live axle, also known as a solid axle or beam axle, is a type of axle where the wheels on both ends of the axle are connected and rotate together as a single unit. Here are the key features and characteristics of live axles:
- Connected Wheel Movement: In a live axle configuration, the wheels on both ends of the axle are linked together, meaning that any movement or forces applied to one wheel will directly affect the other wheel. This connection provides equal power distribution and torque to both wheels, making it suitable for off-road and heavy-duty applications where maximum traction is required.
- Simple Design: Live axles have a relatively simple design, consisting of a solid beam that connects the wheels. This simplicity makes them durable and capable of withstanding heavy loads and rough terrains.
- Weight and Cost: Live axles tend to be heavier and bulkier compared to other axle configurations, which can impact the overall weight and fuel efficiency of the vehicle. Additionally, the manufacturing and maintenance costs of live axles can be lower due to their simpler design.
- Suspension: In most cases, live axles are used in conjunction with leaf spring or coil spring suspensions. The axle is typically mounted to the vehicle’s chassis using leaf springs or control arms, allowing the axle to move vertically to absorb bumps and provide a smoother ride.
- Off-road Capability: Live axles are commonly used in off-road vehicles, trucks, and heavy-duty applications due to their robustness, durability, and ability to deliver power to both wheels simultaneously, enhancing traction and off-road performance.
Dead Axles:
A dead axle, also known as a dummy axle or non-driven axle, is a type of axle that does not transmit power to the wheels. It is primarily used to provide support and stability to the vehicle. Here are the key features and characteristics of dead axles:
- Independent Wheel Movement: In a dead axle configuration, each wheel operates independently, meaning that the movement or forces applied to one wheel will not affect the other wheel. Each wheel is responsible for its own power delivery and traction.
- Weight Distribution: Dead axles are often used to distribute the weight of the vehicle more evenly, especially in cases where heavy loads need to be carried. By adding an extra axle without driving capability, the weight can be distributed over a larger area, reducing the load on other axles and improving stability.
- Steering: Dead axles are commonly used as front axles in vehicles with rear-wheel drive configurations. They provide support for the front wheels and allow for steering control. The steering is typically achieved through a separate mechanism, such as a steering linkage or a steering gear.
- Reduced Complexity: Dead axles are simpler in design compared to live axles since they do not have the additional components required for power transmission. This simplicity can lead to lower manufacturing and maintenance costs.
- Efficiency and Maneuverability: Dead axles are often used in vehicles where power delivery to all wheels is not necessary, such as trailers, certain types of buses, and some light-duty vehicles. By eliminating the power transmission components, these vehicles can achieve better fuel efficiency and improved maneuverability.
It’s important to note that the choice between live axles and dead axles depends on the specific application, vehicle type, and desired performance characteristics. Vehicle manufacturers consider factors such as load capacity, traction requirements, off-road capability, cost, and fuel efficiency when determining the appropriate axle configuration for a particular vehicle model.
What are the symptoms of a failing CV joint, and how does it relate to the axle?
A CV (constant velocity) joint is an essential component of the axle assembly in many vehicles. When a CV joint starts to fail, it can exhibit several symptoms that indicate potential problems. Here’s a detailed explanation of the symptoms of a failing CV joint and its relationship to the axle:
Symptoms of a Failing CV Joint:
1. Clicking or popping sounds: One of the most common signs of a failing CV joint is a clicking or popping sound when making turns. This noise usually occurs during tight turns and may indicate worn-out or damaged CV joint bearings.
2. Grease leakage: A failing CV joint may leak grease, which can be seen as dark-colored grease splattered around the CV joint or on the inside of the wheel. Grease leakage is typically caused by a cracked or damaged CV joint boot, which allows the lubricating grease to escape and contaminants to enter.
3. Excessive vibration: A worn-out CV joint can cause vibrations, especially during acceleration. The vibrations may be felt in the steering wheel, floorboards, or even the entire vehicle. These vibrations can become more noticeable as the CV joint deteriorates further.
4. Difficulty in turning: As the CV joint wears out, it may become difficult to turn the vehicle, especially at low speeds or when making sharp turns. This symptom is often accompanied by a clicking or popping sound.
5. Uneven tire wear: A failing CV joint can lead to uneven tire wear. If the CV joint is damaged or worn, it can cause the axle to wobble or vibrate, resulting in uneven tire tread wear. This can be observed by visually inspecting the tires and noticing uneven patterns of wear.
Relationship to the Axle:
The CV joint is an integral part of the axle assembly. It connects the transmission to the wheels and allows smooth power delivery to the wheels while accommodating the up-and-down motion of the suspension. The axle shaft is responsible for transmitting torque from the transmission to the CV joints and ultimately to the wheels.
Axles contain one or more CV joints, depending on the vehicle’s drivetrain configuration. In front-wheel drive vehicles, each front axle typically has two CV joints, one inner and one outer. Rear-wheel drive and all-wheel drive vehicles may have CV joints on both the front and rear axles.
The CV joint consists of a joint housing, bearings, and internal ball bearings or rollers. It is protected by a rubber or thermoplastic CV joint boot, which seals in the grease and protects the joint from contaminants. When the CV joint fails, it can affect the axle’s ability to transmit power smoothly and result in the symptoms mentioned above.
Regular inspection and maintenance of the CV joint and axle assembly are crucial to identify and address any issues promptly. If any of the symptoms mentioned earlier are observed, it is recommended to have the vehicle inspected by a qualified mechanic to determine the exact cause and perform necessary repairs or replacements.
What is the primary function of an axle in a vehicle or machinery?
An axle plays a vital role in both vehicles and machinery, providing essential functions for their operation. The primary function of an axle is to transmit rotational motion and torque from an engine or power source to the wheels or other rotating components. Here are the key functions of an axle:
- Power Transmission:
- Support and Load Bearing:
- Wheel and Component Alignment:
- Suspension and Absorption of Shocks:
- Steering Control:
- Braking:
An axle serves as a mechanical link between the engine or power source and the wheels or driven components. It transfers rotational motion and torque generated by the engine to the wheels, enabling the vehicle or machinery to move. As the engine rotates the axle, the rotational force is transmitted to the wheels, propelling the vehicle forward or driving the machinery’s various components.
An axle provides structural support and load-bearing capability, especially in vehicles. It bears the weight of the vehicle or machinery and distributes it evenly across the wheels or supporting components. This load-bearing function ensures stability, balance, and proper weight distribution, contributing to safe and efficient operation.
The axle helps maintain proper alignment of the wheels or rotating components. It ensures that the wheels are parallel to each other and perpendicular to the ground, promoting stability and optimal tire contact with the road surface. In machinery, the axle aligns and supports the rotating components, ensuring their correct positioning and enabling smooth and efficient operation.
In vehicles, particularly those with independent suspension systems, the axle plays a role in the suspension system’s operation. It may incorporate features such as differential gears, CV joints, or other mechanisms that allow the wheels to move independently while maintaining power transfer. The axle also contributes to absorbing shocks and vibrations caused by road irregularities, enhancing ride comfort and vehicle handling.
In some vehicles, such as trucks or buses, the front axle also serves as a steering axle. It connects to the steering mechanism, allowing the driver to control the direction of the vehicle. By turning the axle, the driver can steer the wheels, enabling precise maneuverability and navigation.
An axle often integrates braking components, such as brake discs, calipers, or drums. These braking mechanisms are actuated when the driver applies the brakes, creating friction against the rotating axle or wheels and causing deceleration or stopping of the vehicle. The axle’s design can affect braking performance, ensuring effective and reliable stopping power.
Overall, the primary function of an axle in both vehicles and machinery is to transmit rotational motion, torque, and power from the engine or power source to the wheels or rotating components. Additionally, it provides support, load-bearing capability, alignment, suspension, steering control, and braking functions, depending on the specific application and design requirements.
editor by CX 2024-04-30
China high quality Popular BPW 14 16 18 Ton German Type Trailer Axle axle bearing
Product Description
Product Parameters
|
Axle Type
|
Max Capacity (T) |
L2 Track (mm) |
Brake ( mm )
|
Bearing |
Spring Seat Installation
|
Axle
|
L4Centre Distanceof Brake Chamber ( mm)
|
|
JS12FA1347D |
12 |
1840 |
φ420x 180 |
33118 33213 |
≥980 |
150 |
423 |
|
JS13FA1348D |
13 |
1840 |
φ 420x 200 |
33118 33213
|
≥900 |
150 |
360 |
|
JS14FA1348D |
14 |
1840 |
φ 420x 200 |
32219 33215 |
≥900 |
150 |
356 |
|
JS16FA1348D |
16 |
1850 |
φ 420x 200 |
322222 32314 |
≥900 |
150 |
360 |
|
JS18FA1348D |
18 |
1850 |
Φ420x 200 |
322222 32314 |
≥900 |
150 |
380 |
|
Wheel Fixing
|
Total Length ( mm )
|
Recommended Wheel
|
Weigth(Kg)
|
||
|
Stud
|
PCD(mm) |
H(mm) |
|||
|
10-M22x 1.5ISO |
335 |
280.8 |
~ 2144 |
7.5v-20 |
360 |
|
10-M22x 1.5ISO |
335 |
280.8 |
~ 2144 |
7.5v-20 |
382 |
|
10-M22x 1.5ISO |
335 |
280.8 |
~ 2198 |
8.0v-20 |
406 |
|
10-M22x 1.5ISO |
335 |
280.8 |
~ 2265 |
8.5v-20 |
440 |
|
10-M22x 1.5ISO |
335 |
280.8 |
~ 2265 |
8.5v-20 |
443 |
Detailed Photos
Application
Company Profile
ZheJiang CZPT Axle Manufacturing Co., Ltd., founded in 2000, is a professional manufacturer of trailer axle assemblies, semi-trailer suspension systems and correlative fittings in China. We are located in Quanpu Industry Zone which is the largest production base of trailers in China, in Xihu (West Lake) Dis., the famous scenic spot. We are 1 of specialized enterprises in the scientific research, design, production and sale, with more than 300 skilled employees and professional designers for different areas. We adopt the domestic and international technical standards in production, accurately grasp the information of the market demand and make quick and optimal designs. In this way, our axle, suspension and other fittings have the world-class technical quality through reasonable and advanced manufacture technologies. Our advanced processing technology, first-class production line and precision CNC machining equipment from home and abroad ensure the good quality of our semi-trailer axle assemblies, suspension systems and other correlative fittings. At the same time, our annual capacity for the export of American and German semi-trailer axle assemblies has achieved 60, 000 pieces and of suspension assemblies has achieved 50, 000 sets. We obtained the ISO9001: 2000 International Quality Management System Certification in 2003 and TS16949 Certification in 2007. “First-class product quality, the meticulous and thoughtful service, and CZPT cooperation” is the philosophy that we always cherish. We not only meet the domestic market demand, but also export our products to Southeast Asia, the Middle East, Latin America and other countries, enjoying a good reputation. We always regard quality as life, and client as God. We will create a brilliant tomorrow with your sincere cooperation and support.
Certifications
Packaging & Shipping
FAQ
1. What’s your advantage?
— We are manufacturer, we own professinal technology & quality control team; excellent team for foreign trade plus a rich expertise in trading.
2.Where your export to?
— Our export to America, Netherlands, Germany, Italy, Poland, Hungary, Russia, and other European, Asia and Africa countries.
3. Can you send me samples for testing?
— Certainly! We’d like to provide the samples free of charge, but for the freight, pls kindly bear it.
4.Can you supply OEM ?
— Sure, we always supply customized seveices according to customers’ drawing or samples.
5. How long do you finish a new product?
— Usually 20~35days once all information confirmed.
Remark:
Our payment terms
— 30% by T/T in advance, 70% by T/T before shipment
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| After-sales Service: | 24 Hours Online |
|---|---|
| Condition: | New |
| Axle Number: | 1 |
| Application: | Trailer |
| Certification: | CE, ISO |
| Material: | Iron |
| Samples: |
US$ 520/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
What is the role of axles in electric vehicles, and how do they differ from traditional axles?
Electric vehicles (EVs) have unique requirements when it comes to their drivetrain systems, including the axles. The role of axles in EVs is similar to traditional vehicles, but there are some key differences. Here’s a detailed explanation of the role of axles in electric vehicles and how they differ from traditional axles:
Role of Axles in Electric Vehicles:
The primary role of axles in electric vehicles is to transmit torque from the electric motor(s) to the wheels, enabling vehicle propulsion. The axles connect the motor(s) to the wheels and provide support for the weight of the vehicle. Axles are responsible for transferring the rotational force generated by the electric motor(s) to the wheels, allowing the vehicle to move forward or backward.
In electric vehicles, the axles are an integral part of the drivetrain system, which typically includes an electric motor(s), power electronics, and a battery pack. The axles play a crucial role in ensuring efficient power transfer and delivering the desired performance and handling characteristics of the vehicle.
Differences from Traditional Axles:
While the fundamental role of axles in electric vehicles is the same as in traditional vehicles, there are some notable differences due to the unique characteristics of electric propulsion systems:
1. Integration with Electric Motors: In electric vehicles, the axles are often integrated with the electric motors. This means that the motor(s) and axle assembly are combined into a single unit, commonly referred to as an “electric axle” or “e-axle.” This integration helps reduce the overall size and weight of the drivetrain system and simplifies installation in the vehicle.
2. High Torque Requirements: Electric motors generate high amounts of torque from the moment they start, providing instant acceleration. As a result, axles in electric vehicles need to handle higher torque loads compared to traditional axles. They are designed to withstand the torque output of the electric motor(s) and efficiently transmit it to the wheels.
3. Regenerative Braking: Electric vehicles often utilize regenerative braking, which converts the vehicle’s kinetic energy into electrical energy and stores it in the battery. The axles in electric vehicles may incorporate systems or components that enable regenerative braking, such as sensors, controllers, and electric brake actuators.
4. Space Optimization: Electric vehicles often have different packaging requirements compared to traditional internal combustion engine vehicles. The axles in electric vehicles are designed to accommodate the space constraints and specific layout of the vehicle, considering the placement of the battery pack, electric motor(s), and other components.
5. Weight Considerations: Electric vehicles strive to optimize weight distribution to enhance efficiency and handling. Axles in electric vehicles may be designed with lightweight materials or innovative construction techniques to minimize weight while maintaining structural integrity and durability.
It’s important to note that the specific design and characteristics of axles in electric vehicles can vary depending on the vehicle manufacturer, drivetrain configuration (e.g., front-wheel drive, rear-wheel drive, all-wheel drive), and other factors. Automotive manufacturers and suppliers continually innovate and develop new axle technologies to meet the evolving demands of electric vehicle propulsion systems.
Are there specific maintenance tips to extend the lifespan of my vehicle’s axles?
Maintaining the axles of your vehicle is crucial for ensuring their longevity, performance, and overall safety. Here are some specific maintenance tips to extend the lifespan of your vehicle’s axles:
- Regular Inspection:
- Lubrication:
- Seal Inspection and Replacement:
- Proper Loading and Towing:
- Driving Techniques:
- Regular Wheel Alignment:
- Proper Tire Inflation:
- Service Intervals:
Perform regular visual inspections of the axles to check for any signs of damage, leaks, or excessive wear. Look for cracks, bends, or rust on the axle housing, and inspect the axle shafts, seals, and boots. Early detection of issues can help prevent further damage and costly repairs.
Follow the manufacturer’s recommendations for axle lubrication. Proper lubrication helps reduce friction and wear on the axle components. Regularly check the axle’s lubricant level and quality, and replace it as necessary. Use the recommended lubricant type and viscosity for your specific axle.
Check the axle seals for any signs of leaks, such as fluid accumulation around the axle ends. Leaking seals can allow contaminants to enter the axle assembly, leading to premature wear and damage. Replace worn or damaged seals promptly to maintain proper lubrication and prevent contamination.
Ensure that you do not exceed the weight capacity of your vehicle’s axles. Overloading or towing beyond the recommended limits can put excessive stress on the axles, leading to premature wear or failure. Be mindful of the payload and towing capacity specified by the vehicle manufacturer.
Adopt proper driving techniques to minimize stress on the axles. Avoid sudden acceleration, aggressive cornering, and harsh braking, as these actions can subject the axles to excessive forces. Additionally, be cautious when driving over rough terrain or obstacles to prevent impacts that could damage the axles.
Maintain proper wheel alignment to prevent excessive strain on the axles. Misaligned wheels can put uneven loads on the axles, leading to accelerated wear. Regularly check and adjust the wheel alignment as per the manufacturer’s recommendations.
Ensure that your vehicle’s tires are properly inflated according to the recommended tire pressure. Underinflated or overinflated tires can affect the load distribution on the axles and increase the risk of axle damage. Regularly check and maintain the correct tire pressure.
Follow the recommended service intervals for your vehicle, which may include axle inspections, lubricant changes, and other maintenance tasks. Adhering to these intervals ensures that the axles are properly maintained and any potential issues are addressed in a timely manner.
It’s important to consult your vehicle’s owner’s manual for specific maintenance guidelines and intervals provided by the manufacturer. Additionally, if you notice any unusual noises, vibrations, or handling issues related to the axles, it is advisable to have your vehicle inspected by a qualified mechanic to identify and address any potential axle problems promptly.
Are there aftermarket axles available for upgrading performance in off-road vehicles?
Yes, there are aftermarket axles available for upgrading performance in off-road vehicles. Off-road enthusiasts often seek aftermarket axle options to enhance the durability, strength, and performance of their vehicles in rugged and demanding terrains. Here’s some information about aftermarket axles for off-road applications:
1. Upgraded Axle Materials:
Aftermarket axles are typically made from high-strength materials such as chromoly steel or forged alloys. These materials offer superior strength and durability compared to stock axles, making them better suited for off-road use where extreme loads, impacts, and torsional forces are encountered.
2. Increased Axle Shaft Diameter:
Some aftermarket axles feature larger diameter shafts compared to stock axles. This increased diameter helps improve the axle’s load-carrying capacity and resistance to bending or torsion. It can also enhance the overall durability and reliability of the axle in off-road conditions.
3. Upgraded Axle Splines:
Axles with upgraded splines are designed to handle higher torque loads. Aftermarket axles may feature larger and stronger splines, providing increased power transfer capabilities and reducing the risk of spline failure, which can occur in extreme off-road situations.
4. Locking Differentials:
Some aftermarket axle options include integrated locking differentials. Locking differentials improve off-road traction by mechanically locking both wheels on an axle together, ensuring that power is distributed evenly to both wheels. This feature can be advantageous in challenging off-road conditions where maximum traction is required.
5. Lifted Vehicle Compatibility:
Aftermarket axles are often designed to accommodate lifted vehicles. Lift kits that raise the suspension height can impact the axle’s operating angles. Aftermarket axles may offer increased articulation or modified geometry to maintain proper alignment and reduce the risk of binding or premature wear.
When considering aftermarket axles for off-road vehicles, it’s essential to choose options that are compatible with your specific vehicle make, model, and suspension setup. Working with reputable manufacturers, consulting with experienced off-road enthusiasts, or seeking advice from professional mechanics can help you select the most suitable aftermarket axle upgrades for your off-road needs.
Lastly, it’s important to keep in mind that upgrading axles alone may not be sufficient for maximizing off-road performance. Other components such as suspension, tires, differential gears, and drivetrain systems should be considered as part of a comprehensive off-road build to ensure optimal performance, reliability, and safety.
editor by CX 2024-03-28
China OEM 25*42*2.8mm AX5 25 42 High Limiting Speed Needle Roller Thrust Bearing Used In Automobile Drive Trains near me supplier
Product Description
25*42*2.8mm AX5 25 42 High Limiting Speed Needle Roller Thrust Bearing Used In Automobile Drive Trains
Application
Machine Tools Cars and Light Trucks
Trucks, Trailers and Buses Two and Three Wheelers
Needle roller thrust bearings are fitted with a form-stable cage to reliably retain and CZPT a large number of needle rollers.
Needle roller thrust bearings provide a high degree of stiffness within a minimum axial space.
In applications where the faces of adjacent machine components can serve as raceways, needle roller thrust bearings take up
no more space than a conventional thrust washer.
Needle Roller Thrust Bearings with Washers Specification
| Product Name | Needle Roller Thrust Bearings with Washers |
| Shaft Diameter | Available for 5 ≤ d ≤ 45 mm |
| Material | Bearing Steel (GCr15) |
| Suitable Washers | CP Series |
| Cage | Steel |
| Application | Cars and Light Trucks, Trucks, Trailers and Buses,Two and Three Wheelers |
| Certification | ISO 9001:2008 |
| Packing | 1.Neutral Packing Bearing 2.Industrial Packing 3.Commercial Packing Bearing 4.Customize |
| Delivery Time | 30 – 45 Days After The Order is Confirmed |
| Shippment | 1.By Sea 2.By Air 3.By Express |
| Website | http://hlimachinery |
| Model | Thrust Washer | Boundary Dimensions (mm) | Basic Load Rating (KN) | Limited | Mass | ||||||||||
| Speed | |||||||||||||||
| d | D | B | B1 | B2 | B3 | Eb | Ea | C | Co | rpm | kg | ||||
| AX5 13 | AX3.5 5 13 | CP5 13 | CP2 5 13 | 5 | 13 | 2.3 | 3.5 | 0.8 | 2 | 6.3 | 10.9 | 2.4 | 4.56 | 20000 | 0.002 |
| AX6 14 | AX3.5 6 14 | CP6 14 | CP2 6 14 | 6 | 14 | 2.3 | 3.5 | 0.8 | 2 | 7.3 | 11.9 | 2.52 | 5.08 | 17600 | 0.002 |
| AX7 15 | AX3.5 7 15 | CP7 15 | CP2 7 15 | 7 | 15 | 2.3 | 3.5 | 0.8 | 2 | 8.3 | 12.9 | 2.84 | 6.08 | 17600 | 0.003 |
| AX8 16 | AX3.5 8 16 | CP8 16 | CP2 8 16 | 8 | 16 | 2.3 | 3.5 | 0.8 | 2 | 9.3 | 13.9 | 2.96 | 6.64 | 17600 | 0.003 |
| AX9 17 | AX3.5 9 17 | CP9 17 | CP2 9 17 | 9 | 17 | 2.3 | 3.5 | 0.8 | 2 | 10.3 | 14.9 | 3.24 | 7.6 | 15200 | 0.004 |
| AX10 22 | AX4 10 22 | CP10 22 | CP2 10 22 | 10 | 22 | 2.8 | 4 | 0.8 | 2 | 12 | 18.6 | 4 | 8.72 | 12400 | 0.007 |
| AX12 26 | AX4 12 26 | CP12 26 | CP2 12 26 | 12 | 26 | 2.8 | 4 | 0.8 | 2 | 15 | 22.6 | 5.52 | 14.16 | 10400 | 0.01 |
| AX13 26 | AX4 13 26 | CP13 26 | CP2 13 26 | 13 | 26 | 2.8 | 4 | 0.8 | 2 | 15 | 22.6 | 5.52 | 14.16 | 10400 | 0.01 |
| AX15 28 | AX4 15 28 | CP15 28 | CP2 15 28 | 15 | 28 | 2.8 | 4 | 0.8 | 2 | 17 | 24.6 | 5.92 | 16 | 9200 | 0.009 |
| AX17 30 | AX4 17 30 | CP17 30 | CP2 17 30 | 17 | 30 | 2.8 | 4 | 0.8 | 2 | 19 | 26.6 | 6.24 | 17.6 | 8400 | 0.01 |
| AX19 32 | AX419 32 | CP19 32 | CP219 32 | 19 | 32 | 2.8 | 4 | 0.8 | 2 | 21 | 28.6 | 6.4 | 18.64 | 8000 | 0.013 |
| AX20 35 | AX5 20 35 | CP20 35 | CP3 20 35 | 20 | 35 | 2.8 | 5 | 0.8 | 3 | 22 | 31.6 | 9.44 | 31.2 | 7200 | 0.018 |
| AX25 42 | AX5 25 42 | CP25 42 | CP3 25 42 | 25 | 42 | 2.8 | 5 | 0.8 | 3 | 27.7 | 37.4 | 10.64 | 39.2 | 6000 | 0.571 |
| AX27 44 | CP27 44 | 27 | 44 | 2.8 | 0.8 | 30 | 39.6 | 10.96 | 41.6 | 5760 | |||||
| AX30 47 | AX5 30 47 | CP30 47 | CP3 30 47 | 30 | 47 | 2.8 | 5 | 0.8 | 3 | 32.7 | 42.4 | 11.6 | 45.6 | 5200 | 0.571 |
| AX35 52 | AX5 35 52 | CP35 52 | CP3 35 52 | 35 | 52 | 2.8 | 5 | 0.8 | 3 | 37.2 | 49 | 15.12 | 67.2 | 4400 | 0.035 |
| AX35 53 | AX5 35 53 | CP35 53 | CP3 35 53 | 35 | 53 | 2.8 | 5 | 0.8 | 3 | 37.2 | 49 | 15.12 | 67.2 | 4400 | 0.036 |
| AX40 60 | AX5 40 60 | CP40 60 | CP3 40 60 | 40 | 60 | 2.8 | 5 | 0.8 | 3 | 43 | 54.9 | 16.32 | 76.8 | 4000 | 0.046 |
| AX45 65 | AX5 45 65 | CP45 65 | CP3 45 65 | 45 | 65 | 2.8 | 5 | 0.8 | 3 | 48 | 59.9 | 17.44 | 87.2 | 3600 | 0.05 |
About Us
HENGLI Machinery Company is a well-established Chinese bearing supplier. We design, manufacture and wholesale bearings.
Our specialized manufacturer of Spherical Roller Bearing & Cylindrical Roller Bearing, XIHU (WEST LAKE) DIS. Rolling Bearing Co., Ltd was
established in 1970 and is accredited by the Chinese Ministry of Machine Building.
We invested in 2 additional specialized bearing factories, which allow us to provide our clients with top of the line products such as
Needle Roller Bearings, Cam Follower Bearings, Thrust Bearings, Spherical Plain Bearings, Rod Ends Bearings, Ball Joint
Bearings, Tapered Roller Bearings, Wheel Hub Bearings and Non-Standard Bearings.
FAQ
Q1 – What is our advantages?
A – Manufacturer – Do it only with the Best;
-Your Choice make different.
Q2 – Our Products
A – Spherical Roller Bearing, Cylindrical Roller Bearing, Needle Roller Bearing, Cam Followers, Thrust Bearing
– Spherical Plain Bearing, Rod End, Ball Joint, Wheel Hub, Tapered Roller Bearing
Q3 – Process of our production
A – Heat Treatment – Grinding – Parts Inspection – Assembly – Final Inspection – Packing
Q4 – How to customize bearing(non-standard) from your company?
A -We offer OEM,Customized(Non-standard) service and you need to provide drawing and detailed Technical Data.
Q5 – What should I care before installation?
A – Normally, the preservative with which new bearings are coated before leaving the factory does not need to be
removed; it is only necessary to wipe off the outside cylindrical surface and bore, if the grease is not compatible
with the preservative, it is necessary to wash and carefully dry the bearing.
-Bearings should be installed in a dry, dust-free room away from metal working or other machines producing
swarf and dust.
Q6 – How to stock and maintenance my bearings right?
A – Do not store bearings directly on concrete floors, where water can condense and collect on the bearing;
-Store the bearings on a pallet or shelf, in an area where the bearings will not be subjected to high humidity
or sudden and severe temperature changes that may result in condensation forming;
-Always put oiled paper or, if not available, plastic sheets between rollers and cup races of tapered roller bearings.
Types of Screw Shafts
Screw shafts come in various types and sizes. These types include fully threaded, Lead, and Acme screws. Let’s explore these types in more detail. What type of screw shaft do you need? Which 1 is the best choice for your project? Here are some tips to choose the right screw:
Machined screw shaft
The screw shaft is a basic piece of machinery, but it can be further customized depending on the needs of the customer. Its features include high-precision threads and ridges. Machined screw shafts are generally manufactured using high-precision CNC machines or lathes. The types of screw shafts available vary in shape, size, and material. Different materials are suitable for different applications. This article will provide you with some examples of different types of screw shafts.
Ball screws are used for a variety of applications, including mounting machines, liquid crystal devices, measuring devices, and food and medical equipment. Various shapes are available, including miniature ball screws and nut brackets. They are also available without keyway. These components form a high-accuracy feed mechanism. Machined screw shafts are also available with various types of threaded ends for ease of assembly. The screw shaft is an integral part of linear motion systems.
When you need a machined screw shaft, you need to know the size of the threads. For smaller machine screws, you will need a mating part. For smaller screw sizes, the numbers will be denominated as industry Numeric Sizes. These denominations are not metric, but rather in mm, and they may not have a threads-per-inch designation. Similarly, larger machine screws will usually have threads that have a higher pitch than those with a lower pitch.
Another important feature of machine screws is that they have a thread on the entire shaft, unlike their normal counterparts. These machine screws have finer threads and are intended to be screwed into existing tapped holes using a nut. This means that these screws are generally stronger than other fasteners. They are usually used to hold together electronic components, industrial equipment, and engines. In addition to this, machine screws are usually made of a variety of materials.
Acme screw
An Acme screw is the most common type of threaded shaft available. It is available in a variety of materials including stainless steel and carbon steel. In many applications, it is used for large plates in crushing processes. ACME screws are self-locking and are ideal for applications requiring high clamping force and low friction. They also feature a variety of standard thread forms, including knurling and rolled worms.
Acme screws are available in a wide range of sizes, from 1/8″ to 6″. The diameter is measured from the outside of the screw to the bottom of the thread. The pitch is equal to the lead in a single start screw. The lead is equal to the pitch plus the number of starts. A screw of either type has a standard pitch and a lead. Acme screws are manufactured to be accurate and durable. They are also widely available in a wide range of materials and can be customized to fit your needs.
Another type of Acme screw is the ball screw. These have no back drive and are widely used in many applications. Aside from being lightweight, they are also able to move at faster speeds. A ball screw is similar to an Acme screw, but has a different shape. A ball screw is usually longer than an Acme screw. The ball screw is used for applications that require high linear speeds. An Acme screw is a common choice for many industries.
There are many factors that affect the speed and resolution of linear motion systems. For example, the nut position and the distance the screw travels can all affect the resolution. The total length of travel, the speed, and the duty cycle are all important. The lead size will affect the maximum linear speed and force output. If the screw is long, the greater the lead size, the higher the resolution. If the lead length is short, this may not be the most efficient option.
Lead screw
A lead screw is a threaded mechanical device. A lead screw consists of a cylindrical shaft, which includes a shallow thread portion and a tightly wound spring wire. This spring wire forms smooth, hard-spaced thread convolutions and provides wear-resistant engagement with the nut member. The wire’s leading and trailing ends are anchored to the shaft by means appropriate to the shaft’s composition. The screw is preferably made of stainless steel.
When selecting a lead screw, 1 should first determine its critical speed. The critical speed is the maximum rotations per minute based on the natural frequency of the screw. Excessive backlash will damage the lead screw. The maximum number of revolutions per minute depends on the screw’s minor diameter, length, assembly alignment, and end fixity. Ideally, the critical speed is 80% of its evaluated critical speed. A critical speed is not exceeded because excessive backlash would damage the lead screw and may be detrimental to the screw’s performance.
The PV curve defines the safe operating limits of a lead screw. This relationship describes the inverse relationship between contact surface pressure and sliding velocity. As the PV value increases, a lower rotation speed is required for heavier axial loads. Moreover, PV is affected by material and lubrication conditions. Besides, end fixity, which refers to the way the lead screw is supported, also affects its critical speed. Fixed-fixed and free end fixity are both possible.
Lead screws are widely used in industries and everyday appliances. In fact, they are used in robotics, lifting equipment, and industrial machinery. High-precision lead screws are widely used in the fields of engraving, fluid handling, data storage, and rapid prototyping. Moreover, they are also used in 3D printing and rapid prototyping. Lastly, lead screws are used in a wide range of applications, from measuring to assembly.
Fully threaded screw
A fully threaded screw shaft can be found in many applications. Threading is an important feature of screw systems and components. Screws with threaded shafts are often used to fix pieces of machinery together. Having fully threaded screw shafts ensures that screws can be installed without removing the nut or shaft. There are 2 major types of screw threads: coarse and fine. When it comes to coarse threads, UTS is the most common type, followed by BSP.
In the 1840s, a British engineer named Joseph Whitworth created a design that was widely used for screw threads. This design later became the British Standard Whitworth. This standard was used for screw threads in the United States during the 1840s and 1860s. But as screw threads evolved and international standards were established, this system remained largely unaltered. A new design proposed in 1864 by William Sellers improved upon Whitworth’s screw threads and simplified the pitch and surface finish.
Another reason for using fully threaded screws is their ability to reduce heat. When screw shafts are partially threaded, the bone grows up to the screw shaft and causes the cavity to be too narrow to remove it. Consequently, the screw is not capable of backing out. Therefore, fully threaded screws are the preferred choice for inter-fragmentary compression in children’s fractures. However, surgeons should know the potential complication when removing metalwork.
The full thread depth of a fully threaded screw is the distance at which a male thread can freely thread into the shaft. This dimension is typically 1 millimeter shy of the total depth of the drilled hole. This provides space for tap lead and chips. The full-thread depth also makes fully threaded screws ideal for axially-loaded connections. It is also suitable for retrofitting applications. For example, fully threaded screws are commonly used to connect 2 elements.
Ball screw
The basic static load rating of a ball screw is determined by the product of the maximum axial static load and the safety factor “s0”. This factor is determined by past experience in similar applications and should be selected according to the design requirements of the application. The basic static load rating is a good guideline for selecting a ball screw. There are several advantages to using a ball screw for a particular application. The following are some of the most common factors to consider when selecting a ball screw.
The critical speed limit of a ball screw is dependent on several factors. First of all, the critical speed depends on the mass, length and diameter of the shaft. Second, the deflection of the shaft and the type of end bearings determine the critical speed. Finally, the unsupported length is determined by the distance between the ball nut and end screw, which is also the distance between bearings. Generally, a ball screw with a diameter greater than 1.2 mm has a critical speed limit of 200 rpm.
The first step in manufacturing a high-quality ball screw is the choice of the right steel. While the steel used for manufacturing a ball screw has many advantages, its inherent quality is often compromised by microscopic inclusions. These microscopic inclusions may eventually lead to crack propagation, surface fatigue, and other problems. Fortunately, the technology used in steel production has advanced, making it possible to reduce the inclusion size to a minimum. However, higher-quality steels can be expensive. The best material for a ball screw is vacuum-degassed pure alloy steel.
The lead of a ball screw shaft is also an important factor to consider. The lead is the linear distance between the ball and the screw shaft. The lead can increase the amount of space between the balls and the screws. In turn, the lead increases the speed of a screw. If the lead of a ball screw is increased, it may increase its accuracy. If not, the lead of a ball screw can be improved through preloading, lubrication, and better mounting accuracy.
China wholesaler 95.25mm*117.47mm*3.175mm NTA6074 High Limiting Speed Needle Roller Thrust Bearing Used In Machine Tools with Best Sales
Product Description
95.25mm*117.47mm*3.175mm NTA6074 High Limiting Speed Needle Roller Thrust Bearing Used In
Machine Tools
Application
Machine Tools Cars and Light Trucks
Trucks, Trailers and Buses Two and Three Wheelers
Needle roller thrust bearings are fitted with a form-stable cage to reliably retain and CZPT a large number of needle rollers.
Needle roller thrust bearings provide a high degree of stiffness within a minimum axial space.
In applications where the faces of adjacent machine components can serve as raceways, needle roller thrust bearings take up
no more space than a conventional thrust washer.
Needle Roller Thrust Bearings with Washers Specification
| Product Name | Inch series Needle Roller Thrust Bearings with Washers |
| Shaft Diameter | Available for 6 ≤ d ≤ 110 mm |
| Material | Bearing Steel (GCr15) |
| Thrust Washers | TRA TRB TRC TRD Series |
| Cage | Steel |
| Features | Accommodate heavy axial loads and CZPT loads |
| Certification | ISO 9001:2008 |
| Packing | 1.Neutral Packing Bearing 2.Industrial Packing 3.Commercial Packing Bearing 4.Customize |
| Delivery Time | 30 – 45 Days After The Order is Confirmed |
| Shippment | 1.By Sea 2.By Air 3.By Express |
| Website | http://hlimachinery |
| Model | Thrust Washer | Boundary Dimensions (mm) | Basic Load Rating (KN) | Limited Speed | ||||||||
| d | D | Dw | Eb | Ea | C | Co | rpm | |||||
| NTA411 | TRA411 | TRB411 | TRC411 | 6.35 | 17.45 | 1.984 | 8.6 | 14.7 | 3.33 | 7.416 | 22400 | |
| NTA512 | TRA512 | TRB512 | 7.93 | 19.05 | 1.984 | 10.2 | 16.3 | 3.78 | 9.036 | 20000 | ||
| NTA613 | TRA613 | TRB613 | TRC613 | 9.52 | 20.63 | 1.984 | 11.7 | 18 | 3.924 | 9.864 | 22400 | |
| NTA815 | TRA815 | TRB815 | TRC815 | 12.7 | 23.8 | 1.984 | 15 | 21.1 | 4.644 | 13.176 | 15200 | |
| NTA916 | TRA916 | TRB916 | TRC916 | 14.27 | 25.4 | 1.984 | 16.5 | 22.6 | 5.004 | 14.796 | 14400 | |
| NTA1018 | TRA1018 | TRB1018 | TRC1018 | TRD1018 | 15.88 | 28.58 | 1.984 | 18 | 25.9 | 5.724 | 18.252 | 12800 |
| NTA1220 | TRA1220 | TRB1220 | TRC1220 | TRD1220 | 19.05 | 31.75 | 1.984 | 21.3 | 28.9 | 6.372 | 21.924 | 11200 |
| NTA1423 | TRA1423 | TRB1423 | TRC1423 | TRD1423 | 22.23 | 36.51 | 1.984 | 22.1 | 34.03 | 8.46 | 33.156 | 9600 |
| NTC1427 | TRB1427 | TRC1427 | TRD1427 | 22.22 | 42.87 | 1.984 | 25.9 | 39.87 | 12.348 | 55.8 | 8000 | |
| NTA1625 | TRA1625 | TRB1625 | TRC1625 | TRD1625 | 25.4 | 39.68 | 1.984 | 27.68 | 36.83 | 8.712 | 35.532 | 8800 |
| NTA1828 | TRA1828 | TRB1828 | TRC1828 | TRD1828 | 28.58 | 44.45 | 1.984 | 30.73 | 41.6 | 10.944 | 49.32 | 7840 |
| NTA2031 | TRA2031 | TRB2031 | TRC2031 | TRD2031 | 31.75 | 49.21 | 1.984 | 34.03 | 46.23 | 13.284 | 65.52 | 7040 |
| NTA2233 | TRA2233 | TRB2233 | TRC2233 | TRD2233 | 34.92 | 52.38 | 1.984 | 37.1 | 49.5 | 14.076 | 72.36 | 6560 |
| NTA2435 | TRA2435 | TRB2435 | TRC2435 | TRD2435 | 38.1 | 55.56 | 1.984 | 40.4 | 52.6 | 15.3 | 82.8 | 6160 |
| NTA2840 | TRA2840 | TRB2840 | TRC2840 | TRD2840 | 44.45 | 63.5 | 1.984 | 46.7 | 58.9 | 16.704 | 96.84 | 5520 |
| NTA3244 | TRA3244 | TRB3244 | TRC3244 | TRD3244 | 50.8 | 69.85 | 1.984 | 53.1 | 65.3 | 15.84 | 93.24 | 4960 |
| NTA3446 | TRA3446 | TRB3446 | TRC3446 | TRD3446 | 53.39 | 73.02 | 1.984 | 56.4 | 68.6 | 16.092 | 96.84 | 4720 |
| NTA3648 | TRA3648 | TRB3648 | TRC3648 | TRD3648 | 57.15 | 76.2 | 1.984 | 59.4 | 71.6 | 16.344 | 100.08 | 4560 |
| NTA3650 | 57.15 | 79.37 | 3.175 | 59.9 | 75.2 | 26.64 | 136.08 | 4240 | ||||
| NTA4052 | TRA4052 | TRB4052 | TRC4052 | TRD4052 | 63.5 | 82.55 | 1.984 | 65.8 | 78 | 16.812 | 106.92 | 4160 |
| NTA4458 | TRA4458 | TRB4458 | TRC4458 | TRD4458 | 69.85 | 92.07 | 3.175 | 72.6 | 87.9 | 75.04 | 196.2 | 3680 |
| NTA4860 | TRA4860 | TRB4860 | TRD4860 | 76.2 | 95.25 | 1.984 | 78.5 | 90.7 | 39.52 | 120.96 | 3600 | |
| NTA5266 | TRA5266 | TRD5266 | 82.55 | 104.77 | 3.175 | 85.3 | 100.6 | 80.8 | 226.44 | 3200 | ||
| NTA6074 | TRA6074 | TRB6074 | TRC6074 | TRD6074 | 95.25 | 117.47 | 3.175 | 98 | 113.3 | 39.6 | 264.24 | 2800 |
| NTA6681 | TRA6681 | TRC6681 | TRD6681 | 104.77 | 128.58 | 3.175 | 107.4 | 124.5 | 45 | 320.04 | 2560 | |
About Us
HENGLI Machinery Company is a well-established Chinese bearing supplier. We design, manufacture and wholesale bearings.
Our specialized manufacturer of Spherical Roller Bearing & Cylindrical Roller Bearing, XIHU (WEST LAKE) DIS. Rolling Bearing Co., Ltd was
established in 1970 and is accredited by the Chinese Ministry of Machine Building.
We invested in 2 additional specialized bearing factories, which allow us to provide our clients with top of the line products such as
Needle Roller Bearings, Cam Follower Bearings, Thrust Bearings, Spherical Plain Bearings, Rod Ends Bearings, Ball Joint
Bearings, Tapered Roller Bearings, Wheel Hub Bearings and Non-Standard Bearings.
FAQ
Q1 – What is our advantages?
A – Manufacturer – Do it only with the Best;
-Your Choice make different.
Q2 – Our Products
A – Spherical Roller Bearing, Cylindrical Roller Bearing, Needle Roller Bearing, Cam Followers, Thrust Bearing
– Spherical Plain Bearing, Rod End, Ball Joint, Wheel Hub, Tapered Roller Bearing
Q3 – Process of our production
A – Heat Treatment – Grinding – Parts Inspection – Assembly – Final Inspection – Packing
Q4 – How to customize bearing(non-standard) from your company?
A -We offer OEM,Customized(Non-standard) service and you need to provide drawing and detailed Technical Data.
Q5 – What should I care before installation?
A – Normally, the preservative with which new bearings are coated before leaving the factory does not need to be
removed; it is only necessary to wipe off the outside cylindrical surface and bore, if the grease is not compatible
with the preservative, it is necessary to wash and carefully dry the bearing.
-Bearings should be installed in a dry, dust-free room away from metal working or other machines producing
swarf and dust.
Q6 – How to stock and maintenance my bearings right?
A – Do not store bearings directly on concrete floors, where water can condense and collect on the bearing;
-Store the bearings on a pallet or shelf, in an area where the bearings will not be subjected to high humidity
or sudden and severe temperature changes that may result in condensation forming;
-Always put oiled paper or, if not available, plastic sheets between rollers and cup races of tapered roller bearings.
The Four Basic Components of a Screw Shaft
There are 4 basic components of a screw shaft: the Head, the Thread angle, and the Threaded shank. These components determine the length, shape, and quality of a screw. Understanding how these components work together can make purchasing screws easier. This article will cover these important factors and more. Once you know these, you can select the right type of screw for your project. If you need help choosing the correct type of screw, contact a qualified screw dealer.
Thread angle
The angle of a thread on a screw shaft is the difference between the 2 sides of the thread. Threads that are unified have a 60 degree angle. Screws have 2 parts: a major diameter, also known as the screw’s outside diameter, and a minor diameter, or the screw’s root diameter. A screw or nut has a major diameter and a minor diameter. Each has its own angle, but they all have 1 thing in common – the angle of thread is measured perpendicularly to the screw’s axis.
The pitch of a screw depends on the helix angle of the thread. In a single-start screw, the lead is equal to the pitch, and the thread angle of a multiple-start screw is based on the number of starts. Alternatively, you can use a square-threaded screw. Its square thread minimizes the contact surface between the nut and the screw, which improves efficiency and performance. A square thread requires fewer motors to transfer the same load, making it a good choice for heavy-duty applications.
A screw thread has 4 components. First, there is the pitch. This is the distance between the top and bottom surface of a nut. This is the distance the thread travels in a full revolution of the screw. Next, there is the pitch surface, which is the imaginary cylinder formed by the average of the crest and root height of each tooth. Next, there is the pitch angle, which is the angle between the pitch surface and the gear axis.
Head
There are 3 types of head for screws: flat, round, and hexagonal. They are used in industrial applications and have a flat outer face and a conical interior. Some varieties have a tamper-resistant pin in the head. These are usually used in the fabrication of bicycle parts. Some are lightweight, and can be easily carried from 1 place to another. This article will explain what each type of head is used for, and how to choose the right 1 for your screw.
The major diameter is the largest diameter of the thread. This is the distance between the crest and the root of the thread. The minor diameter is the smaller diameter and is the distance between the major and minor diameters. The minor diameter is half the major diameter. The major diameter is the upper surface of the thread. The minor diameter corresponds to the lower extreme of the thread. The thread angle is proportional to the distance between the major and minor diameters.
Lead screws are a more affordable option. They are easier to manufacture and less expensive than ball screws. They are also more efficient in vertical applications and low-speed operations. Some types of lead screws are also self-locking, and have a high coefficient of friction. Lead screws also have fewer parts. These types of screw shafts are available in various sizes and shapes. If you’re wondering which type of head of screw shaft to buy, this article is for you.
Threaded shank
Wood screws are made up of 2 parts: the head and the shank. The shank is not threaded all the way up. It is only partially threaded and contains the drive. This makes them less likely to overheat. Heads on wood screws include Oval, Round, Hex, Modified Truss, and Flat. Some of these are considered the “top” of the screw.
Screws come in many sizes and thread pitches. An M8 screw has a 1.25-mm thread pitch. The pitch indicates the distance between 2 identical threads. A pitch of 1 is greater than the other. The other is smaller and coarse. In most cases, the pitch of a screw is indicated by the letter M followed by the diameter in millimetres. Unless otherwise stated, the pitch of a screw is greater than its diameter.
Generally, the shank diameter is smaller than the head diameter. A nut with a drilled shank is commonly used. Moreover, a cotter pin nut is similar to a castle nut. Internal threads are usually created using a special tap for very hard metals. This tap must be followed by a regular tap. Slotted machine screws are usually sold packaged with nuts. Lastly, studs are often used in automotive and machine applications.
In general, screws with a metric thread are more difficult to install and remove. Fortunately, there are many different types of screw threads, which make replacing screws a breeze. In addition to these different sizes, many of these screws have safety wire holes to keep them from falling. These are just some of the differences between threaded screw and non-threaded. There are many different types of screw threads, and choosing the right 1 will depend on your needs and your budget.
Point
There are 3 types of screw heads with points: cone, oval, and half-dog. Each point is designed for a particular application, which determines its shape and tip. For screw applications, cone, oval, and half-dog points are common. Full dog points are not common, and they are available in a limited number of sizes and lengths. According to ASTM standards, point penetration contributes as much as 15% of the total holding power of the screw, but a cone-shaped point may be more preferred in some circumstances.
There are several types of set screws, each with its own advantage. Flat-head screws reduce indentation and frequent adjustment. Dog-point screws help maintain a secure grip by securing the collar to the screw shaft. Cup-point set screws, on the other hand, provide a slip-resistant connection. The diameter of a cup-point screw is usually half of its shaft diameter. If the screw is too small, it may slack and cause the screw collar to slip.
The UNF series has a larger area for tensile stress than coarse threads and is less prone to stripping. It’s used for external threads, limited engagement, and thinner walls. When using a UNF, always use a standard tap before a specialized tap. For example, a screw with a UNF point is the same size as a type C screw but with a shorter length.
Spacer
A spacer is an insulating material that sits between 2 parts and centers the shaft of a screw or other fastener. Spacers come in different sizes and shapes. Some of them are made of Teflon, which is thin and has a low coefficient of friction. Other materials used for spacers include steel, which is durable and works well in many applications. Plastic spacers are available in various thicknesses, ranging from 4.6 to 8 mm. They’re suitable for mounting gears and other items that require less contact surface.
These devices are used for precision fastening applications and are essential fastener accessories. They create clearance gaps between the 2 joined surfaces or components and enable the screw or bolt to be torqued correctly. Here’s a quick guide to help you choose the right spacer for the job. There are many different spacers available, and you should never be without one. All you need is a little research and common sense. And once you’re satisfied with your purchase, you can make a more informed decision.
A spacer is a component that allows the components to be spaced appropriately along a screw shaft. This tool is used to keep space between 2 objects, such as the spinning wheel and an adjacent metal structure. It also helps ensure that a competition game piece doesn’t rub against an adjacent metal structure. In addition to its common use, spacers can be used in many different situations. The next time you need a spacer, remember to check that the hole in your screw is threaded.
Nut
A nut is a simple device used to secure a screw shaft. The nut is fixed on each end of the screw shaft and rotates along its length. The nut is rotated by a motor, usually a stepper motor, which uses beam coupling to accommodate misalignments in the high-speed movement of the screw. Nuts are used to secure screw shafts to machined parts, and also to mount bearings on adapter sleeves and withdrawal sleeves.
There are several types of nut for screw shafts. Some have radial anti-backlash properties, which prevent unwanted radial clearances. In addition, they are designed to compensate for thread wear. Several nut styles are available, including anti-backlash radial nuts, which have a spring that pushes down on the nut’s flexible fingers. Axial anti-backlash nuts also provide thread-locking properties.
To install a ball nut, you must first align the tangs of the ball and nut. Then, you must place the adjusting nut on the shaft and tighten it against the spacer and spring washer. Then, you need to lubricate the threads, the ball grooves, and the spring washers. Once you’ve installed the nut, you can now install the ball screw assembly.
A nut for screw shaft can be made with either a ball or a socket. These types differ from hex nuts in that they don’t need end support bearings, and are rigidly mounted at the ends. These screws can also have internal cooling mechanisms to improve rigidity. In this way, they are easier to tension than rotating screws. You can also buy hollow stationary screws for rotator nut assemblies. This type is great for applications requiring high heat and wide temperature changes, but you should be sure to follow the manufacturer’s instructions.
China Hot selling 34.925*52.388*1.984mm TC2233 High Limiting Speed Needle Roller Thrust Bearing Used In Machine Tools near me manufacturer
Product Description
34.925*52.388*1.984mm TC2233 High Limiting Speed Needle Roller Thrust Bearing Used In Machine Tools
Application
Machine Tools Cars and Light Trucks
Trucks, Trailers and Buses Two and Three Wheelers
Needle roller thrust bearings are fitted with a form-stable cage to reliably retain and CZPT a large number of needle rollers.
Needle roller thrust bearings provide a high degree of stiffness within a minimum axial space.
In applications where the faces of adjacent machine components can serve as raceways, needle roller thrust bearings take up
no more space than a conventional thrust washer.
Needle Roller Thrust Bearings with Washers Specification
| Product Name | Inch series Needle Roller Thrust Bearings with Washers |
| Shaft Diameter | Available for 6 ≤ d ≤ 110 mm |
| Material | Bearing Steel (GCr15) |
| Thrust Washers | TWA/TWB/TWC/TWD Series |
| Cage | Steel |
| Features | Accommodate heavy axial loads and CZPT loads |
| Certification | ISO 9001:2008 |
| Packing | 1.Neutral Packing Bearing 2.Industrial Packing 3.Commercial Packing Bearing 4.Customize |
| Delivery Time | 30 – 45 Days After The Order is Confirmed |
| Shippment | 1.By Sea 2.By Air 3.By Express |
| Website | http://hlimachinery |
| Model | Thrust Washer | Boundary Dimensions (mm) | Basic Load Rating (KN) | Limited | Mass | ||||||
| Speed | |||||||||||
| B1=0.81 | B1=1.6 | B=2.337 | B=3.2 | d | D | Dw | C | Co | rpm | kg | |
| TC411 | TWA411 | TWB411 | TWC411 | TWD411 | 6.35 | 17.45 | 1.984 | 4.88 | 10.64 | 16000 | 0.005 |
| TC512 | TWA512 | TWB512 | TWC512 | TWD512 | 7.938 | 19.05 | 1.984 | 5.52 | 12.96 | 14400 | 0.006 |
| TC613 | TWA613 | TWB613 | TWC613 | TWD613 | 7.525 | 20.638 | 1.984 | 5.76 | 14.24 | 12800 | 0.007 |
| TWA812 | TWB812 | TWC812 | TWD812 | 12.7 | 19.05 | 0.004 | |||||
| TC815 | TWA815 | TWB815 | TWC815 | TWD815 | 12.7 | 23.813 | 1.984 | 6.8 | 18.88 | 10400 | 0.008 |
| TWA916 | TWB916 | TWC916 | TWD916 | 14.29 | 25.4 | 0.009 | |||||
| TC1018 | TWA1018 | TWB1018 | TWC1018 | TWD1018 | 15.875 | 28.575 | 1.984 | 7.76 | 23.6 | 8800 | 0.011 |
| TWA1120 | TWB1120 | TWC1120 | TWD1120 | 17.463 | 31.75 | 0.014 | |||||
| TC1220 | TWA1220 | TWB1220 | TWC1220 | TWD1220 | 19.05 | 31.75 | 1.984 | 8.56 | 28.4 | 7600 | 0.013 |
| TC1423 | TWA1423 | TWB1423 | TWC1423 | TWD1423 | 22.225 | 36.513 | 1.984 | 10.32 | 37.2 | 6400 | 0.017 |
| TC1427 | TWA1427 | TWB1427 | TWC1427 | TWD1427 | 22.225 | 42.863 | 1.984 | 15.68 | 66.4 | 6000 | 0.026 |
| TC1625 | TWA1625 | TWB1625 | TWC1625 | TWD1625 | 25.4 | 39.688 | 1.984 | 11.2 | 43.2 | 6000 | 0.018 |
| TC1726 | 26.988 | 41.275 | 1.984 | 13.84 | 58.4 | 5600 | |||||
| TC1828 | TWA1828 | TWB1828 | TWC1828 | TWD1828 | 28.575 | 44.45 | 1.984 | 13.68 | 58.4 | 5200 | 0.571 |
| TC1931 | 30.163 | 49.213 | 1.984 | 16 | 72.8 | 4800 | |||||
| TC2031 | TWA2031 | TWB2031 | TWC2031 | TWD2031 | 31.75 | 49.213 | 1.984 | 16 | 72.8 | 4800 | 0.571 |
| TC2233 | TWA2233 | TWB2233 | TWC2233 | TWD2233 | 34.925 | 52.388 | 1.984 | 16.4 | 76.8 | 4400 | 0.03 |
| TC2435 | TWA2435 | TWB2435 | TWC2435 | TWD2435 | 38.1 | 55.563 | 1.984 | 17.28 | 84 | 4000 | 0.032 |
| TC2840 | TWA2840 | TWB2840 | TWC2840 | TWD2840 | 44.45 | 63.5 | 1.984 | 19.92 | 106.4 | 3520 | 0.02 |
| TC3244 | TWA3244 | TWB3244 | TWC3244 | TWD3244 | 50.8 | 69.85 | 1.984 | 20.8 | 116 | 3200 | 0.045 |
| TWA3446 | TWB3446 | TWC3446 | TWD3446 | 53.975 | 73.02 | 0.048 | |||||
| TC3648 | TWA3648 | TWB3648 | TWC3648 | TWD3648 | 57.15 | 76.2 | 1.984 | 21.2 | 124.8 | 2880 | 0.05 |
| TC4052 | TWA4052 | TWB4052 | TWC4052 | TWD4052 | 63.5 | 82.55 | 1.984 | 22 | 133.6 | 2640 | 0.055 |
| TWA4458 | TWB4458 | TWC4458 | TWD4458 | 69.85 | 92.07 | ||||||
| TC4860 | TWA4860 | TWB4860 | TWC4860 | TWD4860 | 76.2 | 95 | 1.984 | 23.6 | 151.2 | 2240 | |
| TC5266 | TWA5266 | TWB5266 | TWC5266 | TWD5266 | 82.55 | 104.775 | 3.175 | 38.8 | 216 | 2080 | 0.082 |
| TWA6074 | TWB6074 | TWC6074 | TWD6074 | 95.25 | 117.475 | 0.093 | |||||
| TC6681 | TWA6681 | TWB6681 | TWC6681 | TWD6681 | 104.775 | 128.588 | 3.175 | 50.4 | 328 | 1680 | 0.109 |
About Us
HENGLI Machinery Company is a well-established Chinese bearing supplier. We design, manufacture and wholesale bearings.
Our specialized manufacturer of Spherical Roller Bearing & Cylindrical Roller Bearing, XIHU (WEST LAKE) DIS. Rolling Bearing Co., Ltd was
established in 1970 and is accredited by the Chinese Ministry of Machine Building.
We invested in 2 additional specialized bearing factories, which allow us to provide our clients with top of the line products such as
Needle Roller Bearings, Cam Follower Bearings, Thrust Bearings, Rod Ends Bearings, Ball Joint Bearings, Tapered Roller
Bearings, Wheel Hub Bearings and Non-Standard Bearings.
FAQ
Q1 – What is our advantages?
A – Manufacturer – Do it only with the Best;
-Your Choice make different.
Q2 – Our Products
A – Spherical Roller Bearing, Cylindrical Roller Bearing, Needle Roller Bearing, Cam Followers, Thrust Bearing
– Spherical Plain Bearing, Rod End, Ball Joint, Wheel Hub, Tapered Roller Bearing
Q3 – Process of our production
A – Heat Treatment – Grinding – Parts Inspection – Assembly – Final Inspection – Packing
Q4 – How to customize bearing(non-standard) from your company?
A -We offer OEM,Customized(Non-standard) service and you need to provide drawing and detailed Technical Data.
Q5 – What should I care before installation?
A – Normally, the preservative with which new bearings are coated before leaving the factory does not need to be
removed; it is only necessary to wipe off the outside cylindrical surface and bore, if the grease is not compatible
with the preservative, it is necessary to wash and carefully dry the bearing.
-Bearings should be installed in a dry, dust-free room away from metal working or other machines producing
swarf and dust.
Q6 – How to stock and maintenance my bearings right?
A – Do not store bearings directly on concrete floors, where water can condense and collect on the bearing;
-Store the bearings on a pallet or shelf, in an area where the bearings will not be subjected to high humidity
or sudden and severe temperature changes that may result in condensation forming;
-Always put oiled paper or, if not available, plastic sheets between rollers and cup races of tapered roller bearings.
How to Calculate the Diameter of a Worm Gear
In this article, we will discuss the characteristics of the Duplex, Single-throated, and Undercut worm gears and the analysis of worm shaft deflection. Besides that, we will explore how the diameter of a worm gear is calculated. If you have any doubt about the function of a worm gear, you can refer to the table below. Also, keep in mind that a worm gear has several important parameters which determine its working.
Duplex worm gear
A duplex worm gear set is distinguished by its ability to maintain precise angles and high gear ratios. The backlash of the gearing can be readjusted several times. The axial position of the worm shaft can be determined by adjusting screws on the housing cover. This feature allows for low backlash engagement of the worm tooth pitch with the worm gear. This feature is especially beneficial when backlash is a critical factor when selecting gears.
The standard worm gear shaft requires less lubrication than its dual counterpart. Worm gears are difficult to lubricate because they are sliding rather than rotating. They also have fewer moving parts and fewer points of failure. The disadvantage of a worm gear is that you cannot reverse the direction of power due to friction between the worm and the wheel. Because of this, they are best used in machines that operate at low speeds.
Worm wheels have teeth that form a helix. This helix produces axial thrust forces, depending on the hand of the helix and the direction of rotation. To handle these forces, the worms should be mounted securely using dowel pins, step shafts, and dowel pins. To prevent the worm from shifting, the worm wheel axis must be aligned with the center of the worm wheel’s face width.
The backlash of the CZPT duplex worm gear is adjustable. By shifting the worm axially, the section of the worm with the desired tooth thickness is in contact with the wheel. As a result, the backlash is adjustable. Worm gears are an excellent choice for rotary tables, high-precision reversing applications, and ultra-low-backlash gearboxes. Axial shift backlash is a major advantage of duplex worm gears, and this feature translates into a simple and fast assembly process.
When choosing a gear set, the size and lubrication process will be crucial. If you’re not careful, you might end up with a damaged gear or 1 with improper backlash. Luckily, there are some simple ways to maintain the proper tooth contact and backlash of your worm gears, ensuring long-term reliability and performance. As with any gear set, proper lubrication will ensure your worm gears last for years to come.
Single-throated worm gear
Worm gears mesh by sliding and rolling motions, but sliding contact dominates at high reduction ratios. Worm gears’ efficiency is limited by the friction and heat generated during sliding, so lubrication is necessary to maintain optimal efficiency. The worm and gear are usually made of dissimilar metals, such as phosphor-bronze or hardened steel. MC nylon, a synthetic engineering plastic, is often used for the shaft.
Worm gears are highly efficient in transmission of power and are adaptable to various types of machinery and devices. Their low output speed and high torque make them a popular choice for power transmission. A single-throated worm gear is easy to assemble and lock. A double-throated worm gear requires 2 shafts, 1 for each worm gear. Both styles are efficient in high-torque applications.
Worm gears are widely used in power transmission applications because of their low speed and compact design. A numerical model was developed to calculate the quasi-static load sharing between gears and mating surfaces. The influence coefficient method allows fast computing of the deformation of the gear surface and local contact of the mating surfaces. The resultant analysis shows that a single-throated worm gear can reduce the amount of energy required to drive an electric motor.
In addition to the wear caused by friction, a worm wheel can experience additional wear. Because the worm wheel is softer than the worm, most of the wear occurs on the wheel. In fact, the number of teeth on a worm wheel should not match its thread count. A single-throated worm gear shaft can increase the efficiency of a machine by as much as 35%. In addition, it can lower the cost of running.
A worm gear is used when the diametrical pitch of the worm wheel and worm gear are the same. If the diametrical pitch of both gears is the same, the 2 worms will mesh properly. In addition, the worm wheel and worm will be attached to each other with a set screw. This screw is inserted into the hub and then secured with a locknut.
Undercut worm gear
Undercut worm gears have a cylindrical shaft, and their teeth are shaped in an evolution-like pattern. Worms are made of a hardened cemented metal, 16MnCr5. The number of gear teeth is determined by the pressure angle at the zero gearing correction. The teeth are convex in normal and centre-line sections. The diameter of the worm is determined by the worm’s tangential profile, d1. Undercut worm gears are used when the number of teeth in the cylinder is large, and when the shaft is rigid enough to resist excessive load.
The center-line distance of the worm gears is the distance from the worm centre to the outer diameter. This distance affects the worm’s deflection and its safety. Enter a specific value for the bearing distance. Then, the software proposes a range of suitable solutions based on the number of teeth and the module. The table of solutions contains various options, and the selected variant is transferred to the main calculation.
A pressure-angle-angle-compensated worm can be manufactured using single-pointed lathe tools or end mills. The worm’s diameter and depth are influenced by the cutter used. In addition, the diameter of the grinding wheel determines the profile of the worm. If the worm is cut too deep, it will result in undercutting. Despite the undercutting risk, the design of worm gearing is flexible and allows considerable freedom.
The reduction ratio of a worm gear is massive. With only a little effort, the worm gear can significantly reduce speed and torque. In contrast, conventional gear sets need to make multiple reductions to get the same reduction level. Worm gears also have several disadvantages. Worm gears can’t reverse the direction of power because the friction between the worm and the wheel makes this impossible. The worm gear can’t reverse the direction of power, but the worm moves from 1 direction to another.
The process of undercutting is closely related to the profile of the worm. The worm’s profile will vary depending on the worm diameter, lead angle, and grinding wheel diameter. The worm’s profile will change if the generating process has removed material from the tooth base. A small undercut reduces tooth strength and reduces contact. For smaller gears, a minimum of 14-1/2degPA gears should be used.
Analysis of worm shaft deflection
To analyze the worm shaft deflection, we first derived its maximum deflection value. The deflection is calculated using the Euler-Bernoulli method and Timoshenko shear deformation. Then, we calculated the moment of inertia and the area of the transverse section using CAD software. In our analysis, we used the results of the test to compare the resulting parameters with the theoretical ones.
We can use the resulting centre-line distance and worm gear tooth profiles to calculate the required worm deflection. Using these values, we can use the worm gear deflection analysis to ensure the correct bearing size and worm gear teeth. Once we have these values, we can transfer them to the main calculation. Then, we can calculate the worm deflection and its safety. Then, we enter the values into the appropriate tables, and the resulting solutions are automatically transferred into the main calculation. However, we have to keep in mind that the deflection value will not be considered safe if it is larger than the worm gear’s outer diameter.
We use a four-stage process for investigating worm shaft deflection. We first apply the finite element method to compute the deflection and compare the simulation results with the experimentally tested worm shafts. Finally, we perform parameter studies with 15 worm gear toothings without considering the shaft geometry. This step is the first of 4 stages of the investigation. Once we have calculated the deflection, we can use the simulation results to determine the parameters needed to optimize the design.
Using a calculation system to calculate worm shaft deflection, we can determine the efficiency of worm gears. There are several parameters to optimize gearing efficiency, including material and geometry, and lubricant. In addition, we can reduce the bearing losses, which are caused by bearing failures. We can also identify the supporting method for the worm shafts in the options menu. The theoretical section provides further information.
China manufacturer 50*95*14mm AR14 50 95 High Limiting Speed Needle Roller Thrust Bearing Used In Automobile Drive Trains near me supplier
Product Description
Flat Needle Roller Thrust Bearings with Washers
Application
Machine Tools Cars and Light Trucks
Trucks, Trailers and Buses Two and Three Wheelers
Needle roller thrust bearings are fitted with a form-stable cage to reliably retain and CZPT a large number of needle rollers.
Needle roller thrust bearings provide a high degree of stiffness within a minimum axial space.
In applications where the faces of adjacent machine components can serve as raceways, needle roller thrust bearings take up
no more space than a conventional thrust washer.
Needle Roller Thrust Bearings with Washers Specification
| Product Name | Needle Roller Thrust Bearings with Washers |
| Shaft Diameter | Available for 10 ≤ d ≤ 50 mm |
| Material | Bearing Steel (GCr15) |
| Suitable Washers | LS Universal Washer, AS Thin Universal Washer, WS Shaft Washer |
| Cage | Steel |
| Features | Accommodate heavy axial loads and CZPT loads |
| Certification | ISO 9001:2008 |
| Packing | 1.Neutral Packing Bearing 2.Industrial Packing 3.Commercial Packing Bearing 4.Customize |
| Delivery Time | 30 – 45 Days After The Order is Confirmed |
| Shippment | 1.By Sea 2.By Air 3.By Express |
| Website | http://hlimachinery |
| Bearing No. | Boundary Dimensions (mm) | Basic Load Rating (KN) |
Limited Speed |
Mass | |||||||
| d | D | B | Eb | Ea | C | Co | rpm | kg | |||
| AR4.5 10 22 | 10 | 22.0 | 4.50 | 12.2 | 18.5 | 6.56 | 14.32 | 12400 | 0.007 | ||
| AR5 12 26 | 12 | 26.0 | 5.00 | 14.8 | 22.9 | 10.16 | 23.60 | 10400 | 0.011 | ||
| AR5 15 28 | 15 | 28.0 | 5.00 | 16.8 | 24.9 | 11.20 | 27.20 | 9200 | 0.011 | ||
| AR5 17 30 | 17 | 30.0 | 5.00 | 18.8 | 26.9 | 12.00 | 31.20 | 8400 | 0.013 | ||
| AR7 20 35 | 20 | 35.0 | 7.00 | 22.0 | 31.5 | 17.60 | 43.20 | 7200 | 0.571 | ||
| AR7 25 42 | 25 | 42.0 | 7.00 | 27.7 | 37.3 | 20.40 | 56.00 | 6000 | 0.031 | ||
| AR7 25 52 | 25 | 52.0 | 7.00 | 29.0 | 47.0 | 26.00 | 97.60 | 5200 | 0.070 | ||
| AR7 30 47 | 30 | 47.0 | 7.00 | 32.7 | 42.3 | 21.20 | 61.60 | 5200 | 0.036 | ||
| AR81206 | 30 | 52.0 | 11.75 | 32.8 | 47.0 | 38.40 | 93.60 | 5040 | 0.085 | ||
| AR9 30 60 | 30 | 60.0 | 9.00 | 33.5 | 53.5 | 36.80 | 129.60 | 4480 | 0.113 | ||
| AR8 35 53.4 | 35 | 53.4 | 8.00 | 37.8 | 47.8 | 27.04 | 75.20 | 4400 | 0.052 | ||
| AR81207 | 35 | 62.0 | 12.75 | 38.6 | 54.8 | 52.80 | 132.00 | 4240 | 0.132 | ||
| AR9 35 68 | 35 | 68.0 | 9.00 | 39.0 | 60.6 | 40.80 | 155.20 | 3920 | 0.144 | ||
| AR9 40 60.4 | 40 | 60.4 | 9.00 | 42.8 | 54.8 | 36.80 | 103.20 | 4000 | 0.070 | ||
| AR81208 | 40 | 68.0 | 14.00 | 43.6 | 61.8 | 65.60 | 167.20 | 3840 | 0.169 | ||
| AR | 40 | 78.0 | 11.00 | 44.0 | 70.0 | 56.80 | 212.00 | 3360 | 0.225 | ||
| AR9 45 65.4 | 45 | 65.4 | 9.00 | 47.8 | 59.8 | 39.20 | 114.40 | 3600 | 0.077 | ||
| AR81209 | 45 | 73.0 | 14.50 | 48.6 | 66.8 | 68.00 | 180.00 | 3440 | 0.197 | ||
| AR | 45 | 85.0 | 14.00 | 49.0 | 77.0 | 65.60 | 272.00 | 3040 | 0.350 | ||
| AR9 50 70.4 | 50 | 70.4 | 9.00 | 52.8 | 64.8 | 40.80 | 125.60 | 3200 | 0.082 | ||
| AR81210 | 50 | 78.0 | 15.50 | 53.6 | 71.8 | 74.40 | 204.00 | 3200 | 0.234 | ||
| AR | 50 | 95.0 | 14.00 | 54.0 | 86.0 | 86.40 | 344.00 | 2720 | 0.448 | ||
| AR.4 | 55 | 78.4 | 10.00 | 58.5 | 72.5 | 48.80 | 162.40 | 3040 | 0.125 | ||
| AR81211 | 55 | 90.0 | 18.00 | 59.8 | 82.0 | 99.20 | 284.00 | 2880 | 0.381 | ||
| AR | 55 | 105.0 | 14.00 | 60.2 | 96.2 | 100.00 | 424.00 | 2480 | 0.537 | ||
About Us
HENGLI Machinery Company is a well-established Chinese bearing supplier. We design, manufacture and wholesale bearings.
Our specialized manufacturer of Spherical Roller Bearing & Cylindrical Roller Bearing, XIHU (WEST LAKE) DIS. Rolling Bearing Co., Ltd was
established in 1970 and is accredited by the Chinese Ministry of Machine Building.
We invested in 2 additional specialized bearing factories, which allow us to provide our clients with top of the line products such as
Needle Roller Bearings, Cam Follower Bearings, Thrust Bearings, Spherical Plain Bearings, Rod Ends Bearings, Ball Joint
Bearings, Tapered Roller Bearings, Wheel Hub Bearings and Non-Standard Bearings.
FAQ
Q1 – What is our advantages?
A – Manufacturer – Do it only with the Best;
-Your Choice make different.
Q2 – Our Products
A – Spherical Roller Bearing, Cylindrical Roller Bearing, Needle Roller Bearing, Cam Followers, Thrust Bearing
– Spherical Plain Bearing, Rod End, Ball Joint, Wheel Hub, Tapered Roller Bearing
Q3 – Process of our production
A – Heat Treatment – Grinding – Parts Inspection – Assembly – Final Inspection – Packing
Q4 – How to customize bearing(non-standard) from your company?
A -We offer OEM,Customized(Non-standard) service and you need to provide drawing and detailed Technical Data.
Q5 – What should I care before installation?
A – Normally, the preservative with which new bearings are coated before leaving the factory does not need to be
removed; it is only necessary to wipe off the outside cylindrical surface and bore, if the grease is not compatible
with the preservative, it is necessary to wash and carefully dry the bearing.
-Bearings should be installed in a dry, dust-free room away from metal working or other machines producing
swarf and dust.
Q6 – How to stock and maintenance my bearings right?
A – Do not store bearings directly on concrete floors, where water can condense and collect on the bearing;
-Store the bearings on a pallet or shelf, in an area where the bearings will not be subjected to high humidity
or sudden and severe temperature changes that may result in condensation forming;
-Always put oiled paper or, if not available, plastic sheets between rollers and cup races of tapered roller bearings.
Types of Screw Shafts
Screw shafts come in various types and sizes. These types include fully threaded, Lead, and Acme screws. Let’s explore these types in more detail. What type of screw shaft do you need? Which 1 is the best choice for your project? Here are some tips to choose the right screw:
Machined screw shaft
The screw shaft is a basic piece of machinery, but it can be further customized depending on the needs of the customer. Its features include high-precision threads and ridges. Machined screw shafts are generally manufactured using high-precision CNC machines or lathes. The types of screw shafts available vary in shape, size, and material. Different materials are suitable for different applications. This article will provide you with some examples of different types of screw shafts.
Ball screws are used for a variety of applications, including mounting machines, liquid crystal devices, measuring devices, and food and medical equipment. Various shapes are available, including miniature ball screws and nut brackets. They are also available without keyway. These components form a high-accuracy feed mechanism. Machined screw shafts are also available with various types of threaded ends for ease of assembly. The screw shaft is an integral part of linear motion systems.
When you need a machined screw shaft, you need to know the size of the threads. For smaller machine screws, you will need a mating part. For smaller screw sizes, the numbers will be denominated as industry Numeric Sizes. These denominations are not metric, but rather in mm, and they may not have a threads-per-inch designation. Similarly, larger machine screws will usually have threads that have a higher pitch than those with a lower pitch.
Another important feature of machine screws is that they have a thread on the entire shaft, unlike their normal counterparts. These machine screws have finer threads and are intended to be screwed into existing tapped holes using a nut. This means that these screws are generally stronger than other fasteners. They are usually used to hold together electronic components, industrial equipment, and engines. In addition to this, machine screws are usually made of a variety of materials.
Acme screw
An Acme screw is the most common type of threaded shaft available. It is available in a variety of materials including stainless steel and carbon steel. In many applications, it is used for large plates in crushing processes. ACME screws are self-locking and are ideal for applications requiring high clamping force and low friction. They also feature a variety of standard thread forms, including knurling and rolled worms.
Acme screws are available in a wide range of sizes, from 1/8″ to 6″. The diameter is measured from the outside of the screw to the bottom of the thread. The pitch is equal to the lead in a single start screw. The lead is equal to the pitch plus the number of starts. A screw of either type has a standard pitch and a lead. Acme screws are manufactured to be accurate and durable. They are also widely available in a wide range of materials and can be customized to fit your needs.
Another type of Acme screw is the ball screw. These have no back drive and are widely used in many applications. Aside from being lightweight, they are also able to move at faster speeds. A ball screw is similar to an Acme screw, but has a different shape. A ball screw is usually longer than an Acme screw. The ball screw is used for applications that require high linear speeds. An Acme screw is a common choice for many industries.
There are many factors that affect the speed and resolution of linear motion systems. For example, the nut position and the distance the screw travels can all affect the resolution. The total length of travel, the speed, and the duty cycle are all important. The lead size will affect the maximum linear speed and force output. If the screw is long, the greater the lead size, the higher the resolution. If the lead length is short, this may not be the most efficient option.
Lead screw
A lead screw is a threaded mechanical device. A lead screw consists of a cylindrical shaft, which includes a shallow thread portion and a tightly wound spring wire. This spring wire forms smooth, hard-spaced thread convolutions and provides wear-resistant engagement with the nut member. The wire’s leading and trailing ends are anchored to the shaft by means appropriate to the shaft’s composition. The screw is preferably made of stainless steel.
When selecting a lead screw, 1 should first determine its critical speed. The critical speed is the maximum rotations per minute based on the natural frequency of the screw. Excessive backlash will damage the lead screw. The maximum number of revolutions per minute depends on the screw’s minor diameter, length, assembly alignment, and end fixity. Ideally, the critical speed is 80% of its evaluated critical speed. A critical speed is not exceeded because excessive backlash would damage the lead screw and may be detrimental to the screw’s performance.
The PV curve defines the safe operating limits of a lead screw. This relationship describes the inverse relationship between contact surface pressure and sliding velocity. As the PV value increases, a lower rotation speed is required for heavier axial loads. Moreover, PV is affected by material and lubrication conditions. Besides, end fixity, which refers to the way the lead screw is supported, also affects its critical speed. Fixed-fixed and free end fixity are both possible.
Lead screws are widely used in industries and everyday appliances. In fact, they are used in robotics, lifting equipment, and industrial machinery. High-precision lead screws are widely used in the fields of engraving, fluid handling, data storage, and rapid prototyping. Moreover, they are also used in 3D printing and rapid prototyping. Lastly, lead screws are used in a wide range of applications, from measuring to assembly.
Fully threaded screw
A fully threaded screw shaft can be found in many applications. Threading is an important feature of screw systems and components. Screws with threaded shafts are often used to fix pieces of machinery together. Having fully threaded screw shafts ensures that screws can be installed without removing the nut or shaft. There are 2 major types of screw threads: coarse and fine. When it comes to coarse threads, UTS is the most common type, followed by BSP.
In the 1840s, a British engineer named Joseph Whitworth created a design that was widely used for screw threads. This design later became the British Standard Whitworth. This standard was used for screw threads in the United States during the 1840s and 1860s. But as screw threads evolved and international standards were established, this system remained largely unaltered. A new design proposed in 1864 by William Sellers improved upon Whitworth’s screw threads and simplified the pitch and surface finish.
Another reason for using fully threaded screws is their ability to reduce heat. When screw shafts are partially threaded, the bone grows up to the screw shaft and causes the cavity to be too narrow to remove it. Consequently, the screw is not capable of backing out. Therefore, fully threaded screws are the preferred choice for inter-fragmentary compression in children’s fractures. However, surgeons should know the potential complication when removing metalwork.
The full thread depth of a fully threaded screw is the distance at which a male thread can freely thread into the shaft. This dimension is typically 1 millimeter shy of the total depth of the drilled hole. This provides space for tap lead and chips. The full-thread depth also makes fully threaded screws ideal for axially-loaded connections. It is also suitable for retrofitting applications. For example, fully threaded screws are commonly used to connect 2 elements.
Ball screw
The basic static load rating of a ball screw is determined by the product of the maximum axial static load and the safety factor “s0”. This factor is determined by past experience in similar applications and should be selected according to the design requirements of the application. The basic static load rating is a good guideline for selecting a ball screw. There are several advantages to using a ball screw for a particular application. The following are some of the most common factors to consider when selecting a ball screw.
The critical speed limit of a ball screw is dependent on several factors. First of all, the critical speed depends on the mass, length and diameter of the shaft. Second, the deflection of the shaft and the type of end bearings determine the critical speed. Finally, the unsupported length is determined by the distance between the ball nut and end screw, which is also the distance between bearings. Generally, a ball screw with a diameter greater than 1.2 mm has a critical speed limit of 200 rpm.
The first step in manufacturing a high-quality ball screw is the choice of the right steel. While the steel used for manufacturing a ball screw has many advantages, its inherent quality is often compromised by microscopic inclusions. These microscopic inclusions may eventually lead to crack propagation, surface fatigue, and other problems. Fortunately, the technology used in steel production has advanced, making it possible to reduce the inclusion size to a minimum. However, higher-quality steels can be expensive. The best material for a ball screw is vacuum-degassed pure alloy steel.
The lead of a ball screw shaft is also an important factor to consider. The lead is the linear distance between the ball and the screw shaft. The lead can increase the amount of space between the balls and the screws. In turn, the lead increases the speed of a screw. If the lead of a ball screw is increased, it may increase its accuracy. If not, the lead of a ball screw can be improved through preloading, lubrication, and better mounting accuracy.
China Good quality Automobile Parts Drive Belt Tensioner Bearing OEM 11287535860 7535860 Vkm38251 Apv2983 for BMW 1 3 5 6 7 X1 X3 X5 with high quality
Product Description
Quick view:
| Description | Automobile Parts Drive Belt Tensioner Bearing OEM 7535860 VKM38251 APV2983 For BMW 1 3 5 6 7 X1 X3 X5 |
| Material | Chrome steel Gcr15, 65Mn, or 55, Aluminum |
| Application car makes | For BMW |
| Size | Outer: 80 mm Width: 26 mm |
| Position | Engine pulley |
| Weight | 0.3 kg |
| Brand | SI, PPB, or customized |
| Packing | Neutral, SI, PPB brand packing or customized |
| OEM/ODM service | Yes |
| Manufacture place | ZHangZhoug, China |
| MOQ | 100 PCS |
| OEM replacement | Yes |
| Inspection | 100% |
| Warranty | 1 year or 40,000-50,000 KMS |
| Certificate | ISO9001:2015 TS16949 |
| Payment | T/T, PayPal, Alibaba |
Fit for:
For BMW 1 (E81) 130 i 2006-2011
For BMW 1 (E87) 130 i 2005-2011
For BMW 1 Convertible (E88) 125 i 2007-2013
For BMW 1 Coupe (E82) 125 i 2008-2013
For BMW 3 (E90) 325 i 2004-2011
For BMW 3 (E90) 328 i 2007-2011
For BMW 3 Convertible (E93) 2006-2013
For BMW 5 (E60) 523 i 2007-2009
For BMW 5 (E60) 525 2005-2571
For BMW 6 (E63) 630 i 2004-2571
For BMW 7 (E65, E66, E67) 730 i, Li 2005-2008
For BMW X1 (E84) xDrive 25 i 2571-2011
For BMW X3 (E83) 2.5 si 2006-2571
For BMW X5 (E70) 2006-2571
For BMW Z4 Roadster (E85) 2006-2009
OE Numbers:
11287535860
7535860
Reference:
For DAYCO: APV2983
For FEBI BILSTEIN: 30120
For GATES: 36369
For GATES: 780321469
For GATES: T36369
For I-NA: F238131
For I-NA: F561423
For S-KF: VKM38251
For SNR: GA35075
Belt Tensioner, belt tensioner pulley, timing belt tensioner, automatic belt tensioner, belt pulley, timing pulley, idler pulley, engine pulley, idler pulley assembly, tensioner & idler pulley, belt idler pulley, drive belt idler, pulley, tensioner, tensioner bearing, tensioner bearing replacement
A drive belt tensioner is a pulley mounted on a spring mechanism or adjustable pivot point that is used to keep tension on the engine belts. Spring tensioners are designed to tension automatically while the pivot design types can be adjusted manually. Both are used to keep tension on the engine serpentine belts so that they can drive the various engine accessories.
Our Bearing Advantage:
1.Free Sample bearing
2.ISO certified
3.Bearing Small order accepted
4.In Stock bearing
5.OEM bearing service
6.Professional:Over 20 years manufacture bearing
7.Customized bearing, Customer’s bearing drawing or samples accepted
8.Competitive price
9.TT Payment, Paypal, Alibaba payment, Trade Assurance Order
Packing and Delivery:
Work shop:
Exhibitions:
FAQ:
Q1.What is your shipping logistic?
Re: DHL, TNT, FedEx express, by air/sea/train.
Q2:What’s the MOQ?
Re: For the belt tensioner, The MOQ is always 100 sets. If ordering together with other models, small quantities can be organized. But need more time due to the production schedule.
Q3. What are your goods of packing?
Re: Generally, our goods will be packed in Neutral white or brown boxes for the idler pulley. Our brand packing SI & CZPT are offered. If you have any other packing requests, we shall also handle them.
Q4. What is your sample policy?
Re: We can supply the sample if we have ready parts in stock.
Q5. Do you have any certificates?
Re: Yes, we have the certificate of ISO9001:2015.
Q6:Any warranty of your products.
Re: Sure, We are offering a guarantee for 12 months or 40,000-50,000 km for the aftermarket.
Q7: How can I make an inquiry?
Re: You can contact us by email, telephone, WhatsApp, , etc.
Q8: How long can reply inquiry?
Re: Within 24 hours.
Q9: What’s the delivery time?
Re: Ready stock 10-15 days, production for 30 to 45 days.
Q10: How do you maintain our good business relationship?
Re: 1. Keep stable, reliable quality, competitive price to ensure our customer’s benefit;
2. Optimal lead time.
3. Keep customers updated about the new goods.
4. Make customers satisfaction as our main goal.
Q11: Can we visit the company & factory?
Re: Yes, welcome for your visit & business discussion.
Applications of Spline Couplings
A spline coupling is a highly effective means of connecting 2 or more components. These types of couplings are very efficient, as they combine linear motion with rotation, and their efficiency makes them a desirable choice in numerous applications. Read on to learn more about the main characteristics and applications of spline couplings. You will also be able to determine the predicted operation and wear. You can easily design your own couplings by following the steps outlined below.
Optimal design
The spline coupling plays an important role in transmitting torque. It consists of a hub and a shaft with splines that are in surface contact without relative motion. Because they are connected, their angular velocity is the same. The splines can be designed with any profile that minimizes friction. Because they are in contact with each other, the load is not evenly distributed, concentrating on a small area, which can deform the hub surface.
Optimal spline coupling design takes into account several factors, including weight, material characteristics, and performance requirements. In the aeronautics industry, weight is an important design factor. S.A.E. and ANSI tables do not account for weight when calculating the performance requirements of spline couplings. Another critical factor is space. Spline couplings may need to fit in tight spaces, or they may be subject to other configuration constraints.
Optimal design of spline couplers may be characterized by an odd number of teeth. However, this is not always the case. If the external spline’s outer diameter exceeds a certain threshold, the optimal spline coupling model may not be an optimal choice for this application. To optimize a spline coupling for a specific application, the user may need to consider the sizing method that is most appropriate for their application.
Once a design is generated, the next step is to test the resulting spline coupling. The system must check for any design constraints and validate that it can be produced using modern manufacturing techniques. The resulting spline coupling model is then exported to an optimisation tool for further analysis. The method enables a designer to easily manipulate the design of a spline coupling and reduce its weight.
The spline coupling model 20 includes the major structural features of a spline coupling. A product model software program 10 stores default values for each of the spline coupling’s specifications. The resulting spline model is then calculated in accordance with the algorithm used in the present invention. The software allows the designer to enter the spline coupling’s radii, thickness, and orientation.
Characteristics
An important aspect of aero-engine splines is the load distribution among the teeth. The researchers have performed experimental tests and have analyzed the effect of lubrication conditions on the coupling behavior. Then, they devised a theoretical model using a Ruiz parameter to simulate the actual working conditions of spline couplings. This model explains the wear damage caused by the spline couplings by considering the influence of friction, misalignment, and other conditions that are relevant to the splines’ performance.
In order to design a spline coupling, the user first inputs the design criteria for sizing load carrying sections, including the external spline 40 of the spline coupling model 30. Then, the user specifies torque margin performance requirement specifications, such as the yield limit, plastic buckling, and creep buckling. The software program then automatically calculates the size and configuration of the load carrying sections and the shaft. These specifications are then entered into the model software program 10 as specification values.
Various spline coupling configuration specifications are input on the GUI screen 80. The software program 10 then generates a spline coupling model by storing default values for the various specifications. The user then can manipulate the spline coupling model by modifying its various specifications. The final result will be a computer-aided design that enables designers to optimize spline couplings based on their performance and design specifications.
The spline coupling model software program continually evaluates the validity of spline coupling models for a particular application. For example, if a user enters a data value signal corresponding to a parameter signal, the software compares the value of the signal entered to the corresponding value in the knowledge base. If the values are outside the specifications, a warning message is displayed. Once this comparison is completed, the spline coupling model software program outputs a report with the results.
Various spline coupling design factors include weight, material properties, and performance requirements. Weight is 1 of the most important design factors, particularly in the aeronautics field. ANSI and S.A.E. tables do not consider these factors when calculating the load characteristics of spline couplings. Other design requirements may also restrict the configuration of a spline coupling.
Applications
Spline couplings are a type of mechanical joint that connects 2 rotating shafts. Its 2 parts engage teeth that transfer load. Although splines are commonly over-dimensioned, they are still prone to fatigue and static behavior. These properties also make them prone to wear and tear. Therefore, proper design and selection are vital to minimize wear and tear on splines. There are many applications of spline couplings.
A key design is based on the size of the shaft being joined. This allows for the proper spacing of the keys. A novel method of hobbing allows for the formation of tapered bases without interference, and the root of the keys is concentric with the axis. These features enable for high production rates. Various applications of spline couplings can be found in various industries. To learn more, read on.
FE based methodology can predict the wear rate of spline couplings by including the evolution of the coefficient of friction. This method can predict fretting wear from simple round-on-flat geometry, and has been calibrated with experimental data. The predicted wear rate is reasonable compared to the experimental data. Friction evolution in spline couplings depends on the spline geometry. It is also crucial to consider the lubrication condition of the splines.
Using a spline coupling reduces backlash and ensures proper alignment of mated components. The shaft’s splined tooth form transfers rotation from the splined shaft to the internal splined member, which may be a gear or other rotary device. A spline coupling’s root strength and torque requirements determine the type of spline coupling that should be used.
The spline root is usually flat and has a crown on 1 side. The crowned spline has a symmetrical crown at the centerline of the face-width of the spline. As the spline length decreases toward the ends, the teeth are becoming thinner. The tooth diameter is measured in pitch. This means that the male spline has a flat root and a crowned spline.
Predictability
Spindle couplings are used in rotating machinery to connect 2 shafts. They are composed of 2 parts with teeth that engage each other and transfer load. Spline couplings are commonly over-dimensioned and are prone to static and fatigue behavior. Wear phenomena are also a common problem with splines. To address these issues, it is essential to understand the behavior and predictability of these couplings.
Dynamic behavior of spline-rotor couplings is often unclear, particularly if the system is not integrated with the rotor. For example, when a misalignment is not present, the main response frequency is 1 X-rotating speed. As the misalignment increases, the system starts to vibrate in complex ways. Furthermore, as the shaft orbits depart from the origin, the magnitudes of all the frequencies increase. Thus, research results are useful in determining proper design and troubleshooting of rotor systems.
The model of misaligned spline couplings can be obtained by analyzing the stress-compression relationships between 2 spline pairs. The meshing force model of splines is a function of the system mass, transmitting torque, and dynamic vibration displacement. This model holds when the dynamic vibration displacement is small. Besides, the CZPT stepping integration method is stable and has high efficiency.
The slip distributions are a function of the state of lubrication, coefficient of friction, and loading cycles. The predicted wear depths are well within the range of measured values. These predictions are based on the slip distributions. The methodology predicts increased wear under lightly lubricated conditions, but not under added lubrication. The lubrication condition and coefficient of friction are the key factors determining the wear behavior of splines.
China manufacturer 8*16*2.3mm AX8 16 High Limiting Speed Needle Roller Thrust Bearing Used In Automobile Drive Trains with Free Design Custom
Product Description
8*16*2.3mm AX8 16 High Limiting Speed Needle Roller Thrust Bearing Used In Automobile Drive Trains
Application
Machine Tools Cars and Light Trucks
Trucks, Trailers and Buses Two and Three Wheelers
Needle roller thrust bearings are fitted with a form-stable cage to reliably retain and CZPT a large number of needle rollers.
Needle roller thrust bearings provide a high degree of stiffness within a minimum axial space.
In applications where the faces of adjacent machine components can serve as raceways, needle roller thrust bearings take up
no more space than a conventional thrust washer.
Needle Roller Thrust Bearings with Washers Specification
| Product Name | Needle Roller Thrust Bearings with Washers |
| Shaft Diameter | Available for 5 ≤ d ≤ 45 mm |
| Material | Bearing Steel (GCr15) |
| Suitable Washers | CP Series |
| Cage | Steel |
| Application | Cars and Light Trucks, Trucks, Trailers and Buses,Two and Three Wheelers |
| Certification | ISO 9001:2008 |
| Packing | 1.Neutral Packing Bearing 2.Industrial Packing 3.Commercial Packing Bearing 4.Customize |
| Delivery Time | 30 – 45 Days After The Order is Confirmed |
| Shippment | 1.By Sea 2.By Air 3.By Express |
| Website | http://hlimachinery |
| Model | Thrust Washer | Boundary Dimensions (mm) | Basic Load Rating (KN) | Limited | Mass | ||||||||||
| Speed | |||||||||||||||
| d | D | B | B1 | B2 | B3 | Eb | Ea | C | Co | rpm | kg | ||||
| AX5 13 | AX3.5 5 13 | CP5 13 | CP2 5 13 | 5 | 13 | 2.3 | 3.5 | 0.8 | 2 | 6.3 | 10.9 | 2.4 | 4.56 | 20000 | 0.002 |
| AX6 14 | AX3.5 6 14 | CP6 14 | CP2 6 14 | 6 | 14 | 2.3 | 3.5 | 0.8 | 2 | 7.3 | 11.9 | 2.52 | 5.08 | 17600 | 0.002 |
| AX7 15 | AX3.5 7 15 | CP7 15 | CP2 7 15 | 7 | 15 | 2.3 | 3.5 | 0.8 | 2 | 8.3 | 12.9 | 2.84 | 6.08 | 17600 | 0.003 |
| AX8 16 | AX3.5 8 16 | CP8 16 | CP2 8 16 | 8 | 16 | 2.3 | 3.5 | 0.8 | 2 | 9.3 | 13.9 | 2.96 | 6.64 | 17600 | 0.003 |
| AX9 17 | AX3.5 9 17 | CP9 17 | CP2 9 17 | 9 | 17 | 2.3 | 3.5 | 0.8 | 2 | 10.3 | 14.9 | 3.24 | 7.6 | 15200 | 0.004 |
| AX10 22 | AX4 10 22 | CP10 22 | CP2 10 22 | 10 | 22 | 2.8 | 4 | 0.8 | 2 | 12 | 18.6 | 4 | 8.72 | 12400 | 0.007 |
| AX12 26 | AX4 12 26 | CP12 26 | CP2 12 26 | 12 | 26 | 2.8 | 4 | 0.8 | 2 | 15 | 22.6 | 5.52 | 14.16 | 10400 | 0.01 |
| AX13 26 | AX4 13 26 | CP13 26 | CP2 13 26 | 13 | 26 | 2.8 | 4 | 0.8 | 2 | 15 | 22.6 | 5.52 | 14.16 | 10400 | 0.01 |
| AX15 28 | AX4 15 28 | CP15 28 | CP2 15 28 | 15 | 28 | 2.8 | 4 | 0.8 | 2 | 17 | 24.6 | 5.92 | 16 | 9200 | 0.009 |
| AX17 30 | AX4 17 30 | CP17 30 | CP2 17 30 | 17 | 30 | 2.8 | 4 | 0.8 | 2 | 19 | 26.6 | 6.24 | 17.6 | 8400 | 0.01 |
| AX19 32 | AX419 32 | CP19 32 | CP219 32 | 19 | 32 | 2.8 | 4 | 0.8 | 2 | 21 | 28.6 | 6.4 | 18.64 | 8000 | 0.013 |
| AX20 35 | AX5 20 35 | CP20 35 | CP3 20 35 | 20 | 35 | 2.8 | 5 | 0.8 | 3 | 22 | 31.6 | 9.44 | 31.2 | 7200 | 0.018 |
| AX25 42 | AX5 25 42 | CP25 42 | CP3 25 42 | 25 | 42 | 2.8 | 5 | 0.8 | 3 | 27.7 | 37.4 | 10.64 | 39.2 | 6000 | 0.571 |
| AX27 44 | CP27 44 | 27 | 44 | 2.8 | 0.8 | 30 | 39.6 | 10.96 | 41.6 | 5760 | |||||
| AX30 47 | AX5 30 47 | CP30 47 | CP3 30 47 | 30 | 47 | 2.8 | 5 | 0.8 | 3 | 32.7 | 42.4 | 11.6 | 45.6 | 5200 | 0.571 |
| AX35 52 | AX5 35 52 | CP35 52 | CP3 35 52 | 35 | 52 | 2.8 | 5 | 0.8 | 3 | 37.2 | 49 | 15.12 | 67.2 | 4400 | 0.035 |
| AX35 53 | AX5 35 53 | CP35 53 | CP3 35 53 | 35 | 53 | 2.8 | 5 | 0.8 | 3 | 37.2 | 49 | 15.12 | 67.2 | 4400 | 0.036 |
| AX40 60 | AX5 40 60 | CP40 60 | CP3 40 60 | 40 | 60 | 2.8 | 5 | 0.8 | 3 | 43 | 54.9 | 16.32 | 76.8 | 4000 | 0.046 |
| AX45 65 | AX5 45 65 | CP45 65 | CP3 45 65 | 45 | 65 | 2.8 | 5 | 0.8 | 3 | 48 | 59.9 | 17.44 | 87.2 | 3600 | 0.05 |
About Us
HENGLI Machinery Company is a well-established Chinese bearing supplier. We design, manufacture and wholesale bearings.
Our specialized manufacturer of Spherical Roller Bearing & Cylindrical Roller Bearing, XIHU (WEST LAKE) DIS. Rolling Bearing Co., Ltd was
established in 1970 and is accredited by the Chinese Ministry of Machine Building.
We invested in 2 additional specialized bearing factories, which allow us to provide our clients with top of the line products such as
Needle Roller Bearings, Cam Follower Bearings, Thrust Bearings, Spherical Plain Bearings, Rod Ends Bearings, Ball Joint
Bearings, Tapered Roller Bearings, Wheel Hub Bearings and Non-Standard Bearings.
FAQ
Q1 – What is our advantages?
A – Manufacturer – Do it only with the Best;
-Your Choice make different.
Q2 – Our Products
A – Spherical Roller Bearing, Cylindrical Roller Bearing, Needle Roller Bearing, Cam Followers, Thrust Bearing
– Spherical Plain Bearing, Rod End, Ball Joint, Wheel Hub, Tapered Roller Bearing
Q3 – Process of our production
A – Heat Treatment – Grinding – Parts Inspection – Assembly – Final Inspection – Packing
Q4 – How to customize bearing(non-standard) from your company?
A -We offer OEM,Customized(Non-standard) service and you need to provide drawing and detailed Technical Data.
Q5 – What should I care before installation?
A – Normally, the preservative with which new bearings are coated before leaving the factory does not need to be
removed; it is only necessary to wipe off the outside cylindrical surface and bore, if the grease is not compatible
with the preservative, it is necessary to wash and carefully dry the bearing.
-Bearings should be installed in a dry, dust-free room away from metal working or other machines producing
swarf and dust.
Q6 – How to stock and maintenance my bearings right?
A – Do not store bearings directly on concrete floors, where water can condense and collect on the bearing;
-Store the bearings on a pallet or shelf, in an area where the bearings will not be subjected to high humidity
or sudden and severe temperature changes that may result in condensation forming;
-Always put oiled paper or, if not available, plastic sheets between rollers and cup races of tapered roller bearings.
Stiffness and Torsional Vibration of Spline-Couplings
In this paper, we describe some basic characteristics of spline-coupling and examine its torsional vibration behavior. We also explore the effect of spline misalignment on rotor-spline coupling. These results will assist in the design of improved spline-coupling systems for various applications. The results are presented in Table 1.
Stiffness of spline-coupling
The stiffness of a spline-coupling is a function of the meshing force between the splines in a rotor-spline coupling system and the static vibration displacement. The meshing force depends on the coupling parameters such as the transmitting torque and the spline thickness. It increases nonlinearly with the spline thickness.
A simplified spline-coupling model can be used to evaluate the load distribution of splines under vibration and transient loads. The axle spline sleeve is displaced a z-direction and a resistance moment T is applied to the outer face of the sleeve. This simple model can satisfy a wide range of engineering requirements but may suffer from complex loading conditions. Its asymmetric clearance may affect its engagement behavior and stress distribution patterns.
The results of the simulations show that the maximum vibration acceleration in both Figures 10 and 22 was 3.03 g/s. This results indicate that a misalignment in the circumferential direction increases the instantaneous impact. Asymmetry in the coupling geometry is also found in the meshing. The right-side spline’s teeth mesh tightly while those on the left side are misaligned.
Considering the spline-coupling geometry, a semi-analytical model is used to compute stiffness. This model is a simplified form of a classical spline-coupling model, with submatrices defining the shape and stiffness of the joint. As the design clearance is a known value, the stiffness of a spline-coupling system can be analyzed using the same formula.
The results of the simulations also show that the spline-coupling system can be modeled using MASTA, a high-level commercial CAE tool for transmission analysis. In this case, the spline segments were modeled as a series of spline segments with variable stiffness, which was calculated based on the initial gap between spline teeth. Then, the spline segments were modelled as a series of splines of increasing stiffness, accounting for different manufacturing variations. The resulting analysis of the spline-coupling geometry is compared to those of the finite-element approach.
Despite the high stiffness of a spline-coupling system, the contact status of the contact surfaces often changes. In addition, spline coupling affects the lateral vibration and deformation of the rotor. However, stiffness nonlinearity is not well studied in splined rotors because of the lack of a fully analytical model.
Characteristics of spline-coupling
The study of spline-coupling involves a number of design factors. These include weight, materials, and performance requirements. Weight is particularly important in the aeronautics field. Weight is often an issue for design engineers because materials have varying dimensional stability, weight, and durability. Additionally, space constraints and other configuration restrictions may require the use of spline-couplings in certain applications.
The main parameters to consider for any spline-coupling design are the maximum principal stress, the maldistribution factor, and the maximum tooth-bearing stress. The magnitude of each of these parameters must be smaller than or equal to the external spline diameter, in order to provide stability. The outer diameter of the spline must be at least 4 inches larger than the inner diameter of the spline.
Once the physical design is validated, the spline coupling knowledge base is created. This model is pre-programmed and stores the design parameter signals, including performance and manufacturing constraints. It then compares the parameter values to the design rule signals, and constructs a geometric representation of the spline coupling. A visual model is created from the input signals, and can be manipulated by changing different parameters and specifications.
The stiffness of a spline joint is another important parameter for determining the spline-coupling stiffness. The stiffness distribution of the spline joint affects the rotor’s lateral vibration and deformation. A finite element method is a useful technique for obtaining lateral stiffness of spline joints. This method involves many mesh refinements and requires a high computational cost.
The diameter of the spline-coupling must be large enough to transmit the torque. A spline with a larger diameter may have greater torque-transmitting capacity because it has a smaller circumference. However, the larger diameter of a spline is thinner than the shaft, and the latter may be more suitable if the torque is spread over a greater number of teeth.
Spline-couplings are classified according to their tooth profile along the axial and radial directions. The radial and axial tooth profiles affect the component’s behavior and wear damage. Splines with a crowned tooth profile are prone to angular misalignment. Typically, these spline-couplings are oversized to ensure durability and safety.
Stiffness of spline-coupling in torsional vibration analysis
This article presents a general framework for the study of torsional vibration caused by the stiffness of spline-couplings in aero-engines. It is based on a previous study on spline-couplings. It is characterized by the following 3 factors: bending stiffness, total flexibility, and tangential stiffness. The first criterion is the equivalent diameter of external and internal splines. Both the spline-coupling stiffness and the displacement of splines are evaluated by using the derivative of the total flexibility.
The stiffness of a spline joint can vary based on the distribution of load along the spline. Variables affecting the stiffness of spline joints include the torque level, tooth indexing errors, and misalignment. To explore the effects of these variables, an analytical formula is developed. The method is applicable for various kinds of spline joints, such as splines with multiple components.
Despite the difficulty of calculating spline-coupling stiffness, it is possible to model the contact between the teeth of the shaft and the hub using an analytical approach. This approach helps in determining key magnitudes of coupling operation such as contact peak pressures, reaction moments, and angular momentum. This approach allows for accurate results for spline-couplings and is suitable for both torsional vibration and structural vibration analysis.
The stiffness of spline-coupling is commonly assumed to be rigid in dynamic models. However, various dynamic phenomena associated with spline joints must be captured in high-fidelity drivetrain models. To accomplish this, a general analytical stiffness formulation is proposed based on a semi-analytical spline load distribution model. The resulting stiffness matrix contains radial and tilting stiffness values as well as torsional stiffness. The analysis is further simplified with the blockwise inversion method.
It is essential to consider the torsional vibration of a power transmission system before selecting the coupling. An accurate analysis of torsional vibration is crucial for coupling safety. This article also discusses case studies of spline shaft wear and torsionally-induced failures. The discussion will conclude with the development of a robust and efficient method to simulate these problems in real-life scenarios.
Effect of spline misalignment on rotor-spline coupling
In this study, the effect of spline misalignment in rotor-spline coupling is investigated. The stability boundary and mechanism of rotor instability are analyzed. We find that the meshing force of a misaligned spline coupling increases nonlinearly with spline thickness. The results demonstrate that the misalignment is responsible for the instability of the rotor-spline coupling system.
An intentional spline misalignment is introduced to achieve an interference fit and zero backlash condition. This leads to uneven load distribution among the spline teeth. A further spline misalignment of 50um can result in rotor-spline coupling failure. The maximum tensile root stress shifted to the left under this condition.
Positive spline misalignment increases the gear mesh misalignment. Conversely, negative spline misalignment has no effect. The right-handed spline misalignment is opposite to the helix hand. The high contact area is moved from the center to the left side. In both cases, gear mesh is misaligned due to deflection and tilting of the gear under load.
This variation of the tooth surface is measured as the change in clearance in the transverse plain. The radial and axial clearance values are the same, while the difference between the 2 is less. In addition to the frictional force, the axial clearance of the splines is the same, which increases the gear mesh misalignment. Hence, the same procedure can be used to determine the frictional force of a rotor-spline coupling.
Gear mesh misalignment influences spline-rotor coupling performance. This misalignment changes the distribution of the gear mesh and alters contact and bending stresses. Therefore, it is essential to understand the effects of misalignment in spline couplings. Using a simplified system of helical gear pair, Hong et al. examined the load distribution along the tooth interface of the spline. This misalignment caused the flank contact pattern to change. The misaligned teeth exhibited deflection under load and developed a tilting moment on the gear.
The effect of spline misalignment in rotor-spline couplings is minimized by using a mechanism that reduces backlash. The mechanism comprises cooperably splined male and female members. One member is formed by 2 coaxially aligned splined segments with end surfaces shaped to engage in sliding relationship. The connecting device applies axial loads to these segments, causing them to rotate relative to 1 another.
China Standard 50.80mm*69.85mm*1.984mm NTA3244 High Limiting Speed Needle Roller Thrust Bearing Used In Automobile Drive Trains with Great quality
Product Description
50.80mm*69.85mm*1.984mm NTA3244 High Limiting Speed Needle Roller Thrust Bearing Used In
Automobile Drive Trains
Application
Machine Tools Cars and Light Trucks
Trucks, Trailers and Buses Two and Three Wheelers
Needle roller thrust bearings are fitted with a form-stable cage to reliably retain and CZPT a large number of needle rollers.
Needle roller thrust bearings provide a high degree of stiffness within a minimum axial space.
In applications where the faces of adjacent machine components can serve as raceways, needle roller thrust bearings take up
no more space than a conventional thrust washer.
Needle Roller Thrust Bearings with Washers Specification
| Product Name | Inch series Needle Roller Thrust Bearings with Washers |
| Shaft Diameter | Available for 6 ≤ d ≤ 110 mm |
| Material | Bearing Steel (GCr15) |
| Thrust Washers | TRA TRB TRC TRD Series |
| Cage | Steel |
| Features | Accommodate heavy axial loads and CZPT loads |
| Certification | ISO 9001:2008 |
| Packing | 1.Neutral Packing Bearing 2.Industrial Packing 3.Commercial Packing Bearing 4.Customize |
| Delivery Time | 30 – 45 Days After The Order is Confirmed |
| Shippment | 1.By Sea 2.By Air 3.By Express |
| Website | http://hlimachinery |
| Model | Thrust Washer | Boundary Dimensions (mm) | Basic Load Rating (KN) | Limited Speed | ||||||||
| d | D | Dw | Eb | Ea | C | Co | rpm | |||||
| NTA411 | TRA411 | TRB411 | TRC411 | 6.35 | 17.45 | 1.984 | 8.6 | 14.7 | 3.33 | 7.416 | 22400 | |
| NTA512 | TRA512 | TRB512 | 7.93 | 19.05 | 1.984 | 10.2 | 16.3 | 3.78 | 9.036 | 20000 | ||
| NTA613 | TRA613 | TRB613 | TRC613 | 9.52 | 20.63 | 1.984 | 11.7 | 18 | 3.924 | 9.864 | 22400 | |
| NTA815 | TRA815 | TRB815 | TRC815 | 12.7 | 23.8 | 1.984 | 15 | 21.1 | 4.644 | 13.176 | 15200 | |
| NTA916 | TRA916 | TRB916 | TRC916 | 14.27 | 25.4 | 1.984 | 16.5 | 22.6 | 5.004 | 14.796 | 14400 | |
| NTA1018 | TRA1018 | TRB1018 | TRC1018 | TRD1018 | 15.88 | 28.58 | 1.984 | 18 | 25.9 | 5.724 | 18.252 | 12800 |
| NTA1220 | TRA1220 | TRB1220 | TRC1220 | TRD1220 | 19.05 | 31.75 | 1.984 | 21.3 | 28.9 | 6.372 | 21.924 | 11200 |
| NTA1423 | TRA1423 | TRB1423 | TRC1423 | TRD1423 | 22.23 | 36.51 | 1.984 | 22.1 | 34.03 | 8.46 | 33.156 | 9600 |
| NTC1427 | TRB1427 | TRC1427 | TRD1427 | 22.22 | 42.87 | 1.984 | 25.9 | 39.87 | 12.348 | 55.8 | 8000 | |
| NTA1625 | TRA1625 | TRB1625 | TRC1625 | TRD1625 | 25.4 | 39.68 | 1.984 | 27.68 | 36.83 | 8.712 | 35.532 | 8800 |
| NTA1828 | TRA1828 | TRB1828 | TRC1828 | TRD1828 | 28.58 | 44.45 | 1.984 | 30.73 | 41.6 | 10.944 | 49.32 | 7840 |
| NTA2031 | TRA2031 | TRB2031 | TRC2031 | TRD2031 | 31.75 | 49.21 | 1.984 | 34.03 | 46.23 | 13.284 | 65.52 | 7040 |
| NTA2233 | TRA2233 | TRB2233 | TRC2233 | TRD2233 | 34.92 | 52.38 | 1.984 | 37.1 | 49.5 | 14.076 | 72.36 | 6560 |
| NTA2435 | TRA2435 | TRB2435 | TRC2435 | TRD2435 | 38.1 | 55.56 | 1.984 | 40.4 | 52.6 | 15.3 | 82.8 | 6160 |
| NTA2840 | TRA2840 | TRB2840 | TRC2840 | TRD2840 | 44.45 | 63.5 | 1.984 | 46.7 | 58.9 | 16.704 | 96.84 | 5520 |
| NTA3244 | TRA3244 | TRB3244 | TRC3244 | TRD3244 | 50.8 | 69.85 | 1.984 | 53.1 | 65.3 | 15.84 | 93.24 | 4960 |
| NTA3446 | TRA3446 | TRB3446 | TRC3446 | TRD3446 | 53.39 | 73.02 | 1.984 | 56.4 | 68.6 | 16.092 | 96.84 | 4720 |
| NTA3648 | TRA3648 | TRB3648 | TRC3648 | TRD3648 | 57.15 | 76.2 | 1.984 | 59.4 | 71.6 | 16.344 | 100.08 | 4560 |
| NTA3650 | 57.15 | 79.37 | 3.175 | 59.9 | 75.2 | 26.64 | 136.08 | 4240 | ||||
| NTA4052 | TRA4052 | TRB4052 | TRC4052 | TRD4052 | 63.5 | 82.55 | 1.984 | 65.8 | 78 | 16.812 | 106.92 | 4160 |
| NTA4458 | TRA4458 | TRB4458 | TRC4458 | TRD4458 | 69.85 | 92.07 | 3.175 | 72.6 | 87.9 | 75.04 | 196.2 | 3680 |
| NTA4860 | TRA4860 | TRB4860 | TRD4860 | 76.2 | 95.25 | 1.984 | 78.5 | 90.7 | 39.52 | 120.96 | 3600 | |
| NTA5266 | TRA5266 | TRD5266 | 82.55 | 104.77 | 3.175 | 85.3 | 100.6 | 80.8 | 226.44 | 3200 | ||
| NTA6074 | TRA6074 | TRB6074 | TRC6074 | TRD6074 | 95.25 | 117.47 | 3.175 | 98 | 113.3 | 39.6 | 264.24 | 2800 |
| NTA6681 | TRA6681 | TRC6681 | TRD6681 | 104.77 | 128.58 | 3.175 | 107.4 | 124.5 | 45 | 320.04 | 2560 | |
About Us
HENGLI Machinery Company is a well-established Chinese bearing supplier. We design, manufacture and wholesale bearings.
Our specialized manufacturer of Spherical Roller Bearing & Cylindrical Roller Bearing, XIHU (WEST LAKE) DIS. Rolling Bearing Co., Ltd was
established in 1970 and is accredited by the Chinese Ministry of Machine Building.
We invested in 2 additional specialized bearing factories, which allow us to provide our clients with top of the line products such as
Needle Roller Bearings, Cam Follower Bearings, Thrust Bearings, Spherical Plain Bearings, Rod Ends Bearings, Ball Joint
Bearings, Tapered Roller Bearings, Wheel Hub Bearings and Non-Standard Bearings.
FAQ
Q1 – What is our advantages?
A – Manufacturer – Do it only with the Best;
-Your Choice make different.
Q2 – Our Products
A – Spherical Roller Bearing, Cylindrical Roller Bearing, Needle Roller Bearing, Cam Followers, Thrust Bearing
– Spherical Plain Bearing, Rod End, Ball Joint, Wheel Hub, Tapered Roller Bearing
Q3 – Process of our production
A – Heat Treatment – Grinding – Parts Inspection – Assembly – Final Inspection – Packing
Q4 – How to customize bearing(non-standard) from your company?
A -We offer OEM,Customized(Non-standard) service and you need to provide drawing and detailed Technical Data.
Q5 – What should I care before installation?
A – Normally, the preservative with which new bearings are coated before leaving the factory does not need to be
removed; it is only necessary to wipe off the outside cylindrical surface and bore, if the grease is not compatible
with the preservative, it is necessary to wash and carefully dry the bearing.
-Bearings should be installed in a dry, dust-free room away from metal working or other machines producing
swarf and dust.
Q6 – How to stock and maintenance my bearings right?
A – Do not store bearings directly on concrete floors, where water can condense and collect on the bearing;
-Store the bearings on a pallet or shelf, in an area where the bearings will not be subjected to high humidity
or sudden and severe temperature changes that may result in condensation forming;
-Always put oiled paper or, if not available, plastic sheets between rollers and cup races of tapered roller bearings.
When your axle needs to be replaced
If you’re wondering when your axle needs to be replaced, you should be aware of these signs first. A damaged axle is usually a sign that your car is out of balance. To tell if the axle needs to be replaced, listen for the strange noise the wheels make as they move. A rhythmic popping sound when you hit bumps or turns indicates that your axle needs to be replaced. If this sounds familiar, you should visit a mechanic.
Symptoms of a broken shaft
You may notice a clicking or clanking sound from the rear of the vehicle. The vibrations you feel while driving may also indicate damaged axles. In severe cases, your car may lose control, resulting in a crash. If you experience these symptoms, it’s time to visit your auto repair shop. For just a few hundred dollars, you can get your car back on the road, and you don’t have to worry about driving.
Often, damaged axles can be caused by a variety of causes, including poor shock or load bearing bearings. Other causes of axle problems can be an overloaded vehicle, potholes, or a car accident. A bad axle can also cause vibrations and power transmission failures while driving. A damaged axle can also be the result of hitting a curb or pothole. When shaft damage is the cause of these symptoms, it must be repaired immediately.
If your car’s front axle is bent, you may need to replace them at the same time. In this case, you need to remove all tires from the car, separate the driveshaft from the transmission, and remove the axle. Be sure to double check the alignment to make sure everything is ok. Your insurance may cover the cost of repairs, but you may need to pay a deductible before getting coverage.
Axle damage is a common cause of vehicle instability. Axles are key components of a car that transmit power from the engine to the wheels. If it breaks, your vehicle will not be able to drive without a working axle. Symptoms of damaged axles can include high-speed vibrations or crashes that can shake the entire car. When it breaks down, your vehicle won’t be able to carry the weight of your vehicle, so it’s important to get your car repaired as soon as possible.
When your axle is damaged, the wheels will not turn properly, causing the vehicle to crash. When your car has these problems, the brakes won’t work properly and can make your car unstable. The wheels also won’t line up properly, which can cause the brakes to fail. Also, a damaged axle can cause the brakes to become sluggish and sensitive. In addition to the obvious signs, you can also experience the sound of metal rubbing against metal.
Types of car axles
When you’re shopping for a new or used car, it’s important to know that there are different types of axles. Knowing the year, make, model, trim and body type will help you determine the type you need. For easy purchasing, you can also visit My Auto Shop and fill out the vehicle information checklist. You can also read about drivetrains and braking systems. After mastering the basic information of the vehicle, you can purchase the axle assembly.
There are 2 basic types of automotive axles: short axles and drive axles. The axle is the suspension system of the vehicle. They carry the drive torque of the engine and distribute the weight throughout the vehicle. While short shafts have the advantage of simpler maintenance, dead shafts are more difficult to repair. They’re also less flexible, which means they need to be durable enough to withstand harsh conditions.
Axles can be 1 of 3 basic types, depending on the weight and required force. Semi-floating shafts have a bearing in the sleeve. They attach to the wheel and spin to generate torque. Semi-pontoons are common in light pickup trucks and medium-duty vehicles. They are not as effective as floating axles, but still provide a solid foundation for wheel alignment. To keep the wheels aligned, these axles are an important part of the car.
The front axle is the largest of the 3 and can handle road shocks. It consists of 4 main parts: stub shaft, beam, universal pin and track rod. The front axle is also very important as it helps with steering and handling road shocks. The front axle should be strong and durable, as the front axle is most susceptible to road shocks.
Cars use 2 types of axles: live and dead. Live axles connect to the wheels and drive the vehicle. Dead axles do not drive the wheels and support the vehicle. Those with 2 wheels have live axles. Heavy trucks and trailers use 3 or more. The number of axles varies according to the weight and load of the vehicle. This will affect which type of axle you need.
life expectancy
There are a few things to keep in mind when determining the life expectancy of an automotive axle. First, you should check for any signs of wear. A common sign is rust. If your vehicle is often driven in snow and ice, you may need to replace the axle. Also, you should listen for strange sounds from the wheels, such as rhythmic thumping.
Depending on the type of axle, your car may have an average lifespan of 70,000 miles. However, if you have an older car, the CV axles probably won’t last 5 years. In this case, you may wish to postpone the inspection. This way, you can save money on repairs. However, the next step is to replace the faulty CV shaft. This process can take anywhere from 1 hour to 3 hours.
Weaker axles will eventually break. If it were weakened, it would compromise the steering suspension, putting other road users at risk. Fortunately, proper maintenance will help extend the life of your axle. Here are some tips for extending its lifespan. A good rule of thumb is to never go over speed bumps. This will cause sudden breakage, possibly resulting in a car accident. To prolong the life of your vehicle’s axles, follow these tips.
Another thing to check is the CV connector. If loose, it can cause vibration or even breakage if not controlled. Loose axles can damage the body, suspension and differential. To make matters worse, the guard on the CV joint could tear prematurely, causing the shaft to come loose. Poor CV connections can damage the differential or transmission if left unchecked. So if you want to maximize the life expectancy of your car’s axles, consider getting them serviced as soon as possible.
The cost of repairing a damaged axle
A damaged axle may need repair as it is responsible for transferring power from the engine to the wheels. A damaged axle can cause a crash or even loss of control. Repairing an axle is much simpler than dealing with an accident. However, damaged axles can cost hundreds of dollars or more. Therefore, it is important to know what to do if you suspect that your axle may have a damaged component.
When your car needs to be replaced or repaired, you should seek the help of a professional mechanic to keep your car safe. You can save a lot of money by contacting a local mechanic who will provide the parts and labor needed to repair the axle. Also, you can avoid accidents by fixing your car as soon as possible. While axles can be expensive, they can last for many years.
The cost of repairing a damaged axle depends on the amount of repairs required and the vehicle you are driving. Prices range from $300 to $1,000, depending on the car and its age. In most cases, it will cost you less than $200 if you know how to fix a damaged axle. For those without DIY auto repair experience, a new axle can cost as little as $500. A damaged axle is a dangerous part of driving.
Fortunately, there are several affordable ways to repair damaged axles. Choosing a mechanic who specializes in this type of repair is critical. They will assess the damage and decide whether to replace or repair the part. In addition to this, they will also road test your car after completing the repairs. If you are unsure about repair procedures or costs, call a mechanic.
China factory 82.55*104.77*3.175mm NTA5266 High Limiting Speed Needle Roller Thrust Bearing Used In Automobile Drive Trains with Great quality
Product Description
82.55*104.77*3.175mm NTA5266 High Limiting Speed Needle Roller Thrust Bearing Used In Automobile
Drive Trains
Application
Machine Tools Cars and Light Trucks
Trucks, Trailers and Buses Two and Three Wheelers
Needle roller thrust bearings are fitted with a form-stable cage to reliably retain and CZPT a large number of needle rollers.
Needle roller thrust bearings provide a high degree of stiffness within a minimum axial space.
In applications where the faces of adjacent machine components can serve as raceways, needle roller thrust bearings take up
no more space than a conventional thrust washer.
Needle Roller Thrust Bearings with Washers Specification
| Product Name | Inch series Needle Roller Thrust Bearings with Washers |
| Shaft Diameter | Available for 6 ≤ d ≤ 110 mm |
| Material | Bearing Steel (GCr15) |
| Thrust Washers | TRA TRB TRC TRD Series |
| Cage | Steel |
| Features | Accommodate heavy axial loads and CZPT loads |
| Certification | ISO 9001:2008 |
| Packing | 1.Neutral Packing Bearing 2.Industrial Packing 3.Commercial Packing Bearing 4.Customize |
| Delivery Time | 30 – 45 Days After The Order is Confirmed |
| Shippment | 1.By Sea 2.By Air 3.By Express |
| Website | http://hlimachinery |
| Model | Thrust Washer | Boundary Dimensions (mm) | Basic Load Rating (KN) | Limited Speed | ||||||||
| d | D | Dw | Eb | Ea | C | Co | rpm | |||||
| NTA411 | TRA411 | TRB411 | TRC411 | 6.35 | 17.45 | 1.984 | 8.6 | 14.7 | 3.33 | 7.416 | 22400 | |
| NTA512 | TRA512 | TRB512 | 7.93 | 19.05 | 1.984 | 10.2 | 16.3 | 3.78 | 9.036 | 20000 | ||
| NTA613 | TRA613 | TRB613 | TRC613 | 9.52 | 20.63 | 1.984 | 11.7 | 18 | 3.924 | 9.864 | 22400 | |
| NTA815 | TRA815 | TRB815 | TRC815 | 12.7 | 23.8 | 1.984 | 15 | 21.1 | 4.644 | 13.176 | 15200 | |
| NTA916 | TRA916 | TRB916 | TRC916 | 14.27 | 25.4 | 1.984 | 16.5 | 22.6 | 5.004 | 14.796 | 14400 | |
| NTA1018 | TRA1018 | TRB1018 | TRC1018 | TRD1018 | 15.88 | 28.58 | 1.984 | 18 | 25.9 | 5.724 | 18.252 | 12800 |
| NTA1220 | TRA1220 | TRB1220 | TRC1220 | TRD1220 | 19.05 | 31.75 | 1.984 | 21.3 | 28.9 | 6.372 | 21.924 | 11200 |
| NTA1423 | TRA1423 | TRB1423 | TRC1423 | TRD1423 | 22.23 | 36.51 | 1.984 | 22.1 | 34.03 | 8.46 | 33.156 | 9600 |
| NTC1427 | TRB1427 | TRC1427 | TRD1427 | 22.22 | 42.87 | 1.984 | 25.9 | 39.87 | 12.348 | 55.8 | 8000 | |
| NTA1625 | TRA1625 | TRB1625 | TRC1625 | TRD1625 | 25.4 | 39.68 | 1.984 | 27.68 | 36.83 | 8.712 | 35.532 | 8800 |
| NTA1828 | TRA1828 | TRB1828 | TRC1828 | TRD1828 | 28.58 | 44.45 | 1.984 | 30.73 | 41.6 | 10.944 | 49.32 | 7840 |
| NTA2031 | TRA2031 | TRB2031 | TRC2031 | TRD2031 | 31.75 | 49.21 | 1.984 | 34.03 | 46.23 | 13.284 | 65.52 | 7040 |
| NTA2233 | TRA2233 | TRB2233 | TRC2233 | TRD2233 | 34.92 | 52.38 | 1.984 | 37.1 | 49.5 | 14.076 | 72.36 | 6560 |
| NTA2435 | TRA2435 | TRB2435 | TRC2435 | TRD2435 | 38.1 | 55.56 | 1.984 | 40.4 | 52.6 | 15.3 | 82.8 | 6160 |
| NTA2840 | TRA2840 | TRB2840 | TRC2840 | TRD2840 | 44.45 | 63.5 | 1.984 | 46.7 | 58.9 | 16.704 | 96.84 | 5520 |
| NTA3244 | TRA3244 | TRB3244 | TRC3244 | TRD3244 | 50.8 | 69.85 | 1.984 | 53.1 | 65.3 | 15.84 | 93.24 | 4960 |
| NTA3446 | TRA3446 | TRB3446 | TRC3446 | TRD3446 | 53.39 | 73.02 | 1.984 | 56.4 | 68.6 | 16.092 | 96.84 | 4720 |
| NTA3648 | TRA3648 | TRB3648 | TRC3648 | TRD3648 | 57.15 | 76.2 | 1.984 | 59.4 | 71.6 | 16.344 | 100.08 | 4560 |
| NTA3650 | 57.15 | 79.37 | 3.175 | 59.9 | 75.2 | 26.64 | 136.08 | 4240 | ||||
| NTA4052 | TRA4052 | TRB4052 | TRC4052 | TRD4052 | 63.5 | 82.55 | 1.984 | 65.8 | 78 | 16.812 | 106.92 | 4160 |
| NTA4458 | TRA4458 | TRB4458 | TRC4458 | TRD4458 | 69.85 | 92.07 | 3.175 | 72.6 | 87.9 | 75.04 | 196.2 | 3680 |
| NTA4860 | TRA4860 | TRB4860 | TRD4860 | 76.2 | 95.25 | 1.984 | 78.5 | 90.7 | 39.52 | 120.96 | 3600 | |
| NTA5266 | TRA5266 | TRD5266 | 82.55 | 104.77 | 3.175 | 85.3 | 100.6 | 80.8 | 226.44 | 3200 | ||
| NTA6074 | TRA6074 | TRB6074 | TRC6074 | TRD6074 | 95.25 | 117.47 | 3.175 | 98 | 113.3 | 39.6 | 264.24 | 2800 |
| NTA6681 | TRA6681 | TRC6681 | TRD6681 | 104.77 | 128.58 | 3.175 | 107.4 | 124.5 | 45 | 320.04 | 2560 | |
About Us
HENGLI Machinery Company is a well-established Chinese bearing supplier. We design, manufacture and wholesale bearings.
Our specialized manufacturer of Spherical Roller Bearing & Cylindrical Roller Bearing, XIHU (WEST LAKE) DIS. Rolling Bearing Co., Ltd was
established in 1970 and is accredited by the Chinese Ministry of Machine Building.
We invested in 2 additional specialized bearing factories, which allow us to provide our clients with top of the line products such as
Needle Roller Bearings, Cam Follower Bearings, Thrust Bearings, Spherical Plain Bearings, Rod Ends Bearings, Ball Joint
Bearings, Tapered Roller Bearings, Wheel Hub Bearings and Non-Standard Bearings.
FAQ
Q1 – What is our advantages?
A – Manufacturer – Do it only with the Best;
-Your Choice make different.
Q2 – Our Products
A – Spherical Roller Bearing, Cylindrical Roller Bearing, Needle Roller Bearing, Cam Followers, Thrust Bearing
– Spherical Plain Bearing, Rod End, Ball Joint, Wheel Hub, Tapered Roller Bearing
Q3 – Process of our production
A – Heat Treatment – Grinding – Parts Inspection – Assembly – Final Inspection – Packing
Q4 – How to customize bearing(non-standard) from your company?
A -We offer OEM,Customized(Non-standard) service and you need to provide drawing and detailed Technical Data.
Q5 – What should I care before installation?
A – Normally, the preservative with which new bearings are coated before leaving the factory does not need to be
removed; it is only necessary to wipe off the outside cylindrical surface and bore, if the grease is not compatible
with the preservative, it is necessary to wash and carefully dry the bearing.
-Bearings should be installed in a dry, dust-free room away from metal working or other machines producing
swarf and dust.
Q6 – How to stock and maintenance my bearings right?
A – Do not store bearings directly on concrete floors, where water can condense and collect on the bearing;
-Store the bearings on a pallet or shelf, in an area where the bearings will not be subjected to high humidity
or sudden and severe temperature changes that may result in condensation forming;
-Always put oiled paper or, if not available, plastic sheets between rollers and cup races of tapered roller bearings.
Lead Screws and Clamp Style Collars
If you have a lead screw, you’re probably interested in learning about the Acme thread on this type of shaft. You might also be interested in finding out about the Clamp style collars and Ball screw nut. But before you buy a new screw, make sure you understand what the terminology means. Here are some examples of screw shafts:
Acme thread
The standard ACME thread on a screw shaft is made of a metal that is resistant to corrosion and wear. It is used in a variety of applications. An Acme thread is available in a variety of sizes and styles. General purpose Acme threads are not designed to handle external radial loads and are supported by a shaft bearing and linear guide. Their design is intended to minimize the risk of flank wedging, which can cause friction forces and wear. The Centralizing Acme thread standard caters to applications without radial support and allows the thread to come into contact before its flanks are exposed to radial loads.
The ACME thread was first developed in 1894 for machine tools. While the acme lead screw is still the most popular screw in the US, European machines use the Trapezoidal Thread (Metric Acme). The acme thread is a stronger and more resilient alternative to square threads. It is also easier to cut than square threads and can be cut by using a single-point threading die.
Similarly to the internal threads, the metric versions of Acme are similar to their American counterparts. The only difference is that the metric threads are generally wider and are used more frequently in industrial settings. However, the metric-based screw threads are more common than their American counterparts worldwide. In addition, the Acme thread on screw shafts is used most often on external gears. But there is still a small minority of screw shafts that are made with a metric thread.
ACME screws provide a variety of advantages to users, including self-lubrication and reduced wear and tear. They are also ideal for vertical applications, where a reduced frictional force is required. In addition, ACME screws are highly resistant to back-drive and minimize the risk of backlash. Furthermore, they can be easily checked with readily available thread gauges. So, if you’re looking for a quality ACME screw for your next industrial project, look no further than ACME.
Lead screw coatings
The properties of lead screw materials affect their efficiency. These materials have high anti-corrosion, thermal resistance, and self-lubrication properties, which eliminates the need for lubrication. These coating materials include polytetrafluoroethylene (PFE), polyether ether ketone (PEK), and Vespel. Other desirable properties include high tensile strength, corrosion resistance, and rigidity.
The most common materials for lead screws are carbon steel, stainless steel, and aluminum. Lead screw coatings can be PTFE-based to withstand harsh environments and remove oil and grease. In addition to preventing corrosion, lead screw coatings improve the life of polymer parts. Lead screw assembly manufacturers offer a variety of customization options for their lead screw, including custom-molded nuts, thread forms, and nut bodies.
Lead screws are typically measured in rpm, or revolutions per minute. The PV curve represents the inverse relationship between contact surface pressure and sliding velocity. This value is affected by the material used in the construction of the screw, lubrication conditions, and end fixity. The critical speed of lead screws is determined by their length and minor diameter. End fixity refers to the support for the screw and affects its rigidity and critical speed.
The primary purpose of lead screws is to enable smooth movement. To achieve this, lead screws are usually preloaded with axial load, enabling consistent contact between a screw’s filets and nuts. Lead screws are often used in linear motion control systems and feature a large area of sliding contact between male and female threads. Lead screws can be manually operated or mortised and are available in a variety of sizes and materials. The materials used for lead screws include stainless steel and bronze, which are often protected by a PTFE type coating.
These screws are made of various materials, including stainless steel, bronze, and various plastics. They are also made to meet specific requirements for environmental conditions. In addition to lead screws, they can be made of stainless steel, aluminum, and carbon steel. Surface coatings can improve the screw’s corrosion resistance, while making it more wear resistant in tough environments. A screw that is coated with PTFE will maintain its anti-corrosion properties even in tough environments.
Clamp style collars
The screw shaft clamp style collar is a basic machine component, which is attached to the shaft via multiple screws. These collars act as mechanical stops, load bearing faces, or load transfer points. Their simple design makes them easy to install. This article will discuss the pros and cons of this style of collar. Let’s look at what you need to know before choosing a screw shaft clamp style collar. Here are some things to keep in mind.
Clamp-style shaft collars are a versatile mounting option for shafts. They have a recessed screw that fully engages the thread for secure locking. Screw shaft clamp collars come in different styles and can be used in both drive and power transmission applications. Listed below are the main differences between these 2 styles of collars. They are compatible with all types of shafts and are able to handle axial loads of up to 5500 pounds.
Clamp-style shaft collars are designed to prevent the screw from accidentally damaging the shaft when tightened. They can be tightened with a set screw to counteract the initial clamping force and prevent the shaft from coming loose. However, when tightening the screw, you should use a torque wrench. Using a set screw to tighten a screw shaft collar can cause it to warp and reduce the surface area that contacts the shaft.
Another key advantage to Clamp-style shaft collars is that they are easy to install. Clamp-style collars are available in one-piece and two-piece designs. These collars lock around the shaft and are easy to remove and install. They are ideal for virtually any shaft and can be installed without removing any components. This type of collar is also recommended for those who work on machines with sensitive components. However, be aware that the higher the OD, the more difficult it is to install and remove the collar.
Screw shaft clamp style collars are usually one-piece. A two-piece collar is easier to install than a one-piece one. The two-piece collars provide a more effective clamping force, as they use the full seating torque. Two-piece collars have the added benefit of being easy to install because they require no tools to install. You can disassemble one-piece collars before installing a two-piece collar.
Ball screw nut
The proper installation of a ball screw nut requires that the nut be installed on the center of the screw shaft. The return tubes of the ball nut must be oriented upward so that the ball nut will not overtravel. The adjusting nut must be tightened against a spacer or spring washer, then the nut is placed on the screw shaft. The nut should be rotated several times in both directions to ensure that it is centered.
Ball screw nuts are typically manufactured with a wide range of preloads. Large preloads are used to increase the rigidity of a ball screw assembly and prevent backlash, the lost motion caused by a clearance between the ball and nut. Using a large amount of preload can lead to excessive heat generation. The most common preload for ball screw nuts is 1 to 3%. This is usually more than enough to prevent backlash, but a higher preload will increase torque requirements.
The diameter of a ball screw is measured from its center, called the ball circle diameter. This diameter represents the distance a ball will travel during 1 rotation of the screw shaft. A smaller diameter means that there are fewer balls to carry the load. Larger leads mean longer travels per revolution and higher speeds. However, this type of screw cannot carry a greater load capacity. Increasing the length of the ball nut is not practical, due to manufacturing constraints.
The most important component of a ball screw is a ball bearing. This prevents excessive friction between the ball and the nut, which is common in lead-screw and nut combinations. Some ball screws feature preloaded balls, which avoid “wiggle” between the nut and the ball. This is particularly desirable in applications with rapidly changing loads. When this is not possible, the ball screw will experience significant backlash.
A ball screw nut can be either single or multiple circuits. Single or multiple-circuit ball nuts can be configured with 1 or 2 independent closed paths. Multi-circuit ball nuts have 2 or more circuits, making them more suitable for heavier loads. Depending on the application, a ball screw nut can be used for small clearance assemblies and compact sizes. In some cases, end caps and deflectors may be used to feed the balls back to their original position.