QJ222 Four Point Contact Ball Bearing

 

 

Application for QJ222 Four Point Contact Ball Bearing:

When only pure axial loads are applied, the ball and ferrule become two-point contact and can withstand axial loads in both directions. Four-point contact ball bearings can also accommodate moment loads and combine the functions of single row angular contact ball bearings and double row angular contact ball bearings. Four-point contact ball bearings can only ensure normal operation when forming two-point contact. Therefore, it is generally suitable for those occasions where there is two-point contact under pure axial load or synthetic load with large axial load, and the four-point contact ball bearing has a high limit speed, which is also suitable for those occasions of high-speed operation.

 

 

 

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