Bearing the popular science

Bearing is an important part of contemporary mechanical equipment.Its main function was to support the mechanical rotating body, reduce the friction coefficient in the motion process and ensure its accuracy.Bearings can be divided into rolling bearings and sliding bearings according to the different frictional properties of moving elements.Among them, rolling bearing has been standardized and serialized, but compared with sliding bearing, it has larger radial size, vibration and noise, and higher price.Rolling bearing is generally composed of outer ring, inner ring, rolling body and cage, strictly speaking, it is composed of outer ring, inner ring, rolling body, cage, seal and lubricating oil.Simply put, as long as the outer ring, inner ring, rolling body can be defined as rolling bearings.According to the shape of the rolling body, rolling bearings are divided into ball bearings and roller bearings.


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