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Deep groove ball bearing comprises four basic components, they are respectively an inner raceway (inner race), an outer raceway (outer race), steel balls and a holder. Under normal operating conditions, the inner raceway, the outer raceway and the steel balls are subject to load, and the holder plays a role of separating and keeping the steel balls stable.
Single-row centripetal deep groove ball bearing is characterized in simple structure and convenient usage, and the inner and outer races are not separated. It can be applied on the transmission shaft of precision meter, quiet motor, car, motorcycle, woodworker and textile machinery. It can also be applied on mining machine, electromechanical device, plastics machinery, office device, medical appliance, body-building, national defense, aviation, space flight, sports goods and common machine etc. It is one of the bearings most widely used in machinery industry.