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Screw Compressor Rotor
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four-point angular contact ball bearing
What kind of bearing is called four-point angular contact ball bearing

Based on three factors, help bearing selections

Bearings are significant components in a wide range of industrial applications. Inappropriate bearing selections can lead to premature wear and tear or even complete system failure. Therefore, selecting the right bearing can help improve the efficiency and prolong the life of the system. In this article, we will explore three factors to consider when selecting the right bearing for an application.

Load and Speed for Bearing Selections

bearing selections
  1. The load and speed are the most critical factors when selecting the right bearing. The load refers to the weight or force that the bearing must support in the application.
  2. The speed defines the rate of rotation or linear motion of the bearing. The load and speed determine the amount of friction and heat generated in the bearing. It is essential to ensure that the bearing can withstand the operating load and speed without suffering from excessive wear or overheating.
  3. The manufacturer’s specifications provide load and speed ratings for different types of bearings. Selecting the bearing with the correct load and speed ratings can improve the system’s performance and reduce maintenance costs.

Environment and Temperature for Bearing Selections

  1. The operating environment and temperature also play a significant role in bearing selection. Different environments, such as wet, dusty, or corrosive environments, require bearings with specific seals, coatings, or materials to withstand the operating conditions.
  2. High temperatures can also cause lubricants to break down, leading to increased friction and wear of the bearing. Choosing a bearing suitable for the environment and temperature can extend the bearing’s lifespan and reduce the risk of premature failure.

Precision and Tolerance for Bearing Selections

  1. Finally, the precision and tolerance required by the application should also be considered when selecting the right bearing. The precision requirements refer to the bearing’s ability to maintain its performance within specific tolerances, such as radial or axial clearance.
  2. The tolerance defines the permissible deviation of a particular parameter from its specified value. High-precision applications, such as machine tools or robotics, require bearings with tight tolerances and high precision. Choosing the correct bearing with the appropriate precision and tolerance can improve the system’s accuracy and efficiency.


Selecting the right bearing for an application requires consideration of load and speed, operating environment, temperature, and precision and tolerance requirements. Proper selection of the bearing can improve the system’s performance, reduce maintenance costs, and extend the bearing’s lifespan. Manufacturers’ specifications and expert advice can help ensure the proper selection of bearings for different applications.

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