Among all rolling bearings, angular contact ball bearings have the highest limit speed under the same conditions.

The limiting speed of rolling bearings depends on the bearing's structural type, size series, size, cage structure and material, bearing accuracy, internal clearance and preload, external load, lubrication method and lubrication conditions, allowable operating temperature, cooling measures As well as the accuracy of the matching shaft and seat, etc. The limiting speeds of bearings given in the company's catalog under grease lubrication and oil lubrication (referring to oil-gas or oil mist lubrication) are for reference only. This speed value applies to the following situations:

The accuracy of angular contact ball bearings is P4 accuracy, and the bidirectional thrust angular contact ball bearings are SP accuracy.

Light load, single bearing

Normal installation, proper matching of bearings, shafts and seats, dynamic balance of rotating parts

Grease lubrication uses high-quality grease with a moderate amount of grease.

In oil lubrication, the lubricating oil has excellent performance, appropriate viscosity, and sufficient oil volume.

Bearings must not be overloaded and rotate at normal operating temperatures.