Bearing is an important part of contemporary machinery. Its main function is to support the mechanical rotating body, reduce the friction coefficient during its movement, and ensure its rotation accuracy.
According to the friction properties of moving components, bearings can be divided into rolling bearings and sliding bearings. Among them, the rolling bearing has been standardized and serialized, but its radial size, vibration and noise are larger than the sliding bearing, and the price is also high.
Rolling bearings generally consist of an outer ring, an inner ring, a rolling element and a cage. According to the shape of the rolling element, the rolling bearing is divided into two categories: ball bearing and roller bearing.
Bearings ("Bearing", the Japanese called "shaft receiving") are components that fix and reduce the coefficient of friction of the load during mechanical transmission. It can also be said that when other mechanisms are relatively moved relative to each other on the shaft, the mechanism for reducing the coefficient of friction during power transmission and maintaining the center position of the shaft is fixed. Bearings are a very important part of contemporary machinery. Its main function is to support the mechanical rotating body to reduce the mechanical load friction coefficient of the equipment during the transmission process. According to the friction properties of moving components, bearings can be divided into two types: rolling bearings and plain bearings.
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