Thrust Ball Bearing

They can only carry axial loads and cannot carry any radial loads. The shaft rings, seat rings and ball cages are separable and interchangeable. Bearings with spherical washers could prevent misalignment during installation. The followings are the typical thrust ball bearing types.

Single direction a thrust bearing

It consists of a shaft ring, a seat ring and a ball-cage assembly, which can be mounted separately.

Double Direction Thrust Ball Bearing

It consists of a shaft ring, an upper seat ring, a lower seat ring, and two ball-cage assemblies, which can be mounted separately.

Angular Contact Thrust Ball Bearing

The bearing can be installed separately, i.e., shaft ring, seat ring, the ball-cage assembly can be mounted independently of each other.

Thrust Ball Bearing vs Radial Ball Bearing

The direction of carrying bearing loads is different. A thrust ball bearing is mainly used to bear axial load, and the direction of load is the same as the axial direction of the rotating shaft. The radial ball bearing is mainly used to bear radial load, and the direction of the load is perpendicular to the axial direction of the rotating shaft.

Among the subdivision types of thrust ball bearings, there are also thrust angular contact ball bearings that can bear radial loads, which can bear part of the radial load while mainly bearing the axial load. Among the subdivision types of radial ball bearings, there are angular contact ball bearings that can withstand a certain axial load while mainly carrying radial loads.

What is A Thrust Ball Bearing

Thrust ball bearings can withstand thrust loads that are dominated by axial loads, and they are mainly composed of a shaft washer (matched with the shaft) and a seat ring (matched with the bearing housing) with an R-shaped ring raceway, as well as steel balls and cage components.

For occasions where there is a need for aligning, a structure with an aligning seat can also be used to compensate for installation errors caused by shaft misalignment.

Thrust ball bearings can be divided into single direction thrust ball bearings, double-direction thrust ball bearings, angular contact thrust ball bearings, thrust ball bearings with spherical seat, and other forms. Single direction and double-direction thrust ball bearings can withstand one-way or two-way axial force, and angular contact thrust ball bearings can withstand not only a certain radial force but also the axial force. Thrust ball bearings with spherical seats can have a certain self-aligning function to eliminate installation errors caused by shaft misalignment.

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