Thrust ball bearing composition: Thrust ball bearing is composed of three parts: seat ring, shaft ring and ball cage assembly. The axle ring with the shaft, and the seat ring with the shell.

According to the force situation, it is divided into one-way thrust ball bearings and two-way thrust ball bearings. Unidirectional thrust ball bearing can bear unidirectional axial load. Bidirectional thrust ball bearing can bear bidirectional axial load, in which the shaft ring is matched with the shaft. The mounting surface of the seat ring is spherical bearing, which has the performance of aligning and can reduce the influence of installation error. Thrust ball bearing can not bear radial load, the limit speed is low