The thrust ball bearing is a combined bearing, and the shaft ring and the seat ring can be combined with the components of the maintenance frame and the steel ball. The collar is a ferrule that cooperates with the shaft. The race is a ferrule that cooperates with the bore of the bearing housing and has a gap between the shaft. According to its construction, it is divided into one-way thrust ball and two-way thrust ball bearing.
One-way thrust ball bearings accept axial loads in one position, and two-way thrust ball bearings accept axial loads in two positions. They all make it impossible to accept radial loads. The one-way thrust ball bearing consists of a shaft collar, a bearing race, and a ball and cage thrust assembly.
The two-way thrust ball bearing is capable of accepting axial loads in two positions and is a two-way flow machine shaft. Such bearings must not accept any radial loads. The thrust ball bearing has a structure with a seat cushion. Since the device surface of the seat cushion is spherical, the bearing is in a self-aligning function, which can reduce the reaction of the device error. Thrust ball bearings are important for buses and machine tools.
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