... Ball Bearings: Low-noise, high-speed, suitable for the motor bearings and automotive bearing.6. The cage of Deep Groove Ball bearings ... is Steel Stamping Ribbon Cage, and the large bearing is Cart System Metal Solid Cage.7 ... , tractors, machine tools, motors, pumps, agricultural machinery, textile machinery and so on. Bearing numbersBoundary dimensions(mm)Basic load ratings(KN ...