Wheel bearings are one of the key parts of the car, its main role is to carry the weight and provide an accurate guide for the rotation of the hub, which requires that it not only can withstand axial load also bear the radial load. Conventional car wheelWith the two sets of tapered roller bearings are roller bearings or ball bearings combination, bearing installation, oiled seals and clearance adjustment is carried out in a car production line. This structure makes it difficult to assemble in the car manufacturing plant, high costs, poor reliability, and car maintenance maintenance, but also on the bearing cleaning, oiling and adjustment.
Bearing is the other parts on the shaft will produce relative motion, used to reduce friction coefficient during power transmission and keep the machine shaft center fixed position, its main function is to support the rotary body, in order to reduce the equipment in the transmission process of mechanical load friction coefficient. According to the motion of the frictional properties of different components, bearings can be divided into two types of rolling bearings and sliding bearings.
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