China Professional 10c Universal Joint for CZPT

Product Description

Spicer  P (mm) R (mm) Caterpillar Precision  Rockwell  GKN Alloy Neapcon Serie  Bearing type
5-2002X 33.34 79 644683 951 CP2002 HS520   1-2171 2C 4LWT
5-2117X 33.34 79 316117 994   HS521   1-2186 2C 4LWD
5-2116X 33.34 79 6S6902 952 CP2116   1063   2C 2LWT,2LWD
5-3000X 36.5 90.4 5D9153 536   HS530 1711 3-3152 3C 4LWT
5-3014X 36.5 90.4 9K1976 535   HS532     3C 2LWT,2LWD
5-4143X 36.5 108 6K 0571 969   HS545 1689 3-4143 4C 4HWD
5-4002X 36.5 108 6F7160 540 CP4002 HS540 1703 3-4138 4C 4LWT
5-4123X 36.5 108 9K3969 541 CP4101 HS542 1704 3-4123 4C 2LWT,2LWD
5-4140X 36.5 108 5M800 929 CP4130 HS543   3-4140 4C 2LWT,2HWD
5-1405X 36.5 108   549     1708   4C 4LWD
5-4141X 36.5 108 7M2695 996         4C 2LWD,2HWD
5-5177X 42.88 115.06 2K3631 968 CP5177 HS555 1728 4-5177 5C 4HWD
5-5000X 42.88 115.06 7J5251 550 CP5122 HS550 1720 4-5122 5C 4LWT
5-5121X 42.88 115.06 7J5245 552 CP5101 HS552 1721 4-5127 5C 2LWT,2LWD
5-5173X 42.88 115.06   933   HS553 1722 4-5173 5C 2LWT,2HWD
5-5000X 42.88 115.06   999         5C 4HWD
5-5139X 42.88 115.06             5C 2LWD,2HWD
5-6102X 42.88 140.46 643633 563 CP62N-13 HS563 1822 4-6114 6C 2LWT,2HWD
5-6000X 42.88 140.46 641152 560 CP62N-47 HS560 1820 4-6143 6C 4LWT
5-6106X 42.88 140.46 1S9670 905 CP62N-49 HS565 1826 4-6128 6C 4HWD
G5-6103X 42.88 140.46   564     1823 4-6103 6C 2LWT,2LWD
G5-6104X 42.88 140.46   566     1824 4-6104 6C 4LWD
G5-6149X 42.88 140.46             6C 2LWD,2HWD
5-7105X 49.2 148.38 6H2577 927 CP72N-31 HS575 1840 5-7126 7C 4HWD
5-7000X 49.2 148.32 8F7719 570 CP72N-32 HS570 1841 5-7205 7C 4LWT
5-7202X 49.2 148.38 7J5242 574 CP72N-33 HS573 1843 5-7207 7C 2LWT,2HWD
5-7203X 49.2 148.38   575 CP72N-55     5-7208 7C 4LWD
5-7206X 49.2 148.38   572 CP72N-34   1842 5-7206 7C 2LWT,2LWD
5-7204X 49.2 148.38   576 CP72N-57     5-7209 7C 2LWD,2HWD
5-8105X 49.2 206.32 6H2579 928 CP78WB-2 HS585 1850 6-8113 8C 4HWD
5-8200X 49.2 206.32   581 CP82N-28   1851 6-8205 8C 4LWT

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Condition: New
Certification: ISO, Ts16949
Structure: Single
Material: 20cr
Type: Universal Joint
Transport Package: Box + Plywood Case
US$ 10/Piece
1 Piece(Min.Order)

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universal joint

What is the role of needle bearings in a universal joint?

Needle bearings play a critical role in the operation of a universal joint. Here’s a detailed explanation:

A universal joint, also known as a U-joint, is a mechanical coupling that allows the transmission of rotational motion between two misaligned shafts. It consists of a cross-shaped component with needle bearings positioned at each end of the cross.

The role of needle bearings in a universal joint is to facilitate smooth rotation and efficient power transmission while accommodating the misalignment between the shafts. Here are the key functions of needle bearings:

  1. Reducing Friction: Needle bearings are designed to minimize friction and provide a low-resistance interface between the rotating components of the universal joint. The needle-like rollers in the bearings have a large surface area in contact with the inner and outer raceways, distributing the load evenly. This design reduces frictional losses and ensures efficient power transmission.
  2. Accommodating Misalignment: Universal joints are often used to transmit motion between shafts that are not perfectly aligned. Needle bearings are capable of accommodating angular misalignment, allowing the shafts to operate at different angles while maintaining smooth rotation. The flexibility of the needle bearings enables the universal joint to compensate for misalignment and transmit torque without excessive stress or wear.
  3. Supporting Radial Loads: In addition to transmitting torque, needle bearings in a universal joint also provide support for radial loads. Radial loads are forces acting perpendicular to the shaft’s axis, and the needle bearings are designed to handle these loads while maintaining proper alignment and rotation. This capability is particularly important in applications where the universal joint experiences varying loads or vibrations.
  4. Enhancing Durability: Needle bearings are designed to withstand high-speed rotation, heavy loads, and demanding operating conditions. They are typically made of hardened steel or other durable materials that offer high strength and wear resistance. The robust construction of the needle bearings ensures long-lasting performance and reliability in the universal joint.
  5. Providing Lubrication: Proper lubrication is crucial for the smooth operation and longevity of needle bearings. Lubricants, such as grease or oil, are applied to the needle bearings to reduce friction, dissipate heat, and prevent premature wear. The lubrication also helps to protect the bearings from contamination and corrosion, especially in marine or harsh environments.

Overall, needle bearings in a universal joint enable efficient power transmission, accommodate misalignment, support radial loads, enhance durability, and require proper lubrication. They are essential components that contribute to the smooth and reliable operation of the universal joint in various applications, including automotive drivelines, industrial machinery, and aerospace systems.

universal joint

Are universal joints suitable for both high-torque and high-speed applications?

Universal joints have certain limitations when it comes to high-torque and high-speed applications. Here’s a detailed explanation:

Universal joints are commonly used to transmit torque between non-aligned or angularly displaced shafts. They offer advantages in terms of flexibility and compactness. However, their suitability for high-torque and high-speed applications depends on several factors:

  • High-Torque Applications: Universal joints can handle high-torque applications to a certain extent. The torque capacity of a universal joint depends on factors such as the material strength, joint size, and design. In general, larger universal joints with stronger materials have higher torque ratings. However, when subjected to extremely high torques, universal joints may experience increased stress, accelerated wear, and potential failure. In such cases, alternative power transmission solutions like gearboxes or direct drives may be more suitable for handling high-torque applications.
  • High-Speed Applications: Universal joints may not be the ideal choice for high-speed applications. At high rotational speeds, universal joints can experience several challenges. These include increased vibration, imbalance, and decreased precision. The design characteristics of universal joints, such as the presence of backlash and variations in joint geometry, can become more pronounced at high speeds, leading to reduced performance and potential failure. In high-speed applications, alternative solutions like flexible couplings or constant velocity (CV) joints are often preferred due to their ability to provide smoother operation, improved balance, and constant velocity output.

It’s important to note that the specific torque and speed limitations of a universal joint can vary depending on factors such as the joint’s size, design, quality, and the application’s requirements. Manufacturers provide torque and speed ratings for their universal joints, and it’s crucial to adhere to these specifications for reliable and safe operation.

In summary, while universal joints can handle moderate torque and speed levels, they may not be suitable for extremely high-torque or high-speed applications. Understanding the limitations of universal joints and considering alternative power transmission solutions when necessary can help ensure optimal performance and reliability in different operating conditions.

universal joint

What lubrication is required for a universal joint?

Proper lubrication is crucial for the smooth and efficient operation of a universal joint. The type and amount of lubrication required may vary depending on the specific design and manufacturer’s recommendations. Here are some general guidelines:

  • High-quality lubricant: It is important to use a high-quality lubricant that is specifically recommended for universal joints. Consult the manufacturer’s guidelines or technical documentation to determine the appropriate lubricant type and viscosity for your universal joint.
  • Grease or oil: Universal joints can be lubricated with either grease or oil, depending on the design and application requirements. Grease is commonly used as it provides good lubrication and helps to seal out contaminants. Oil can be used in applications that require constant lubrication or when specified by the manufacturer.
  • Quantity of lubrication: Apply the recommended quantity of lubricant as specified by the manufacturer. Over-greasing or under-greasing can lead to problems such as excessive heat, increased friction, or inadequate lubrication. Follow the manufacturer’s guidelines to ensure the optimal amount of lubricant is applied.
  • Lubrication points: Identify the lubrication points on the universal joint. These are typically located at the cross bearings or bearing cups where the cross interfaces with the yoke. Apply the lubricant directly to these points to ensure proper lubrication of the moving components.
  • Lubrication intervals: Establish a lubrication schedule based on the operating conditions and manufacturer’s recommendations. Regularly inspect and lubricate the universal joint according to the specified intervals. Factors such as operating speed, load, temperature, and environmental conditions may influence the frequency of lubrication.
  • Re-lubrication: In some cases, universal joints may have provisions for re-lubrication. This involves purging old lubricant and replenishing it with fresh lubricant. Follow the manufacturer’s instructions for the re-lubrication procedure, including the recommended interval and method.
  • Environmental considerations: Consider the operating environment when selecting the lubricant. Factors such as temperature extremes, exposure to moisture or chemicals, and the presence of contaminants can affect the choice and performance of the lubricant. Choose a lubricant that is suitable for the specific environmental conditions of your application.
  • Maintenance and inspection: Regularly inspect the universal joint for signs of inadequate lubrication, excessive wear, or contamination. Monitor the temperature of the joint during operation, as excessive heat can indicate insufficient lubrication. Address any lubrication issues promptly to ensure the proper functioning and longevity of the universal joint.

Always refer to the manufacturer’s recommendations and guidelines for lubrication specific to your universal joint model. Following the proper lubrication practices will help optimize the performance, reduce wear, and extend the lifespan of the universal joint.

China Professional 10c Universal Joint for CZPT  China Professional 10c Universal Joint for CZPT
editor by CX 2024-03-04

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