... resisting corrosion function, long life. 2, best service, high quality, competitive price. Deep groove ball bearings are used in ... Z, ZZ, RS, 2RS5, Snap ring: N, NR6, Vibration and noise level: Z1, Z2, Z37, Precision level: P0, ... fields : Motor, Automobile, Precision Machinery, Electric Tools, Power Tools, Transportation vehicles, combustion engines, etc. Packing: industrial packing, carton, pallet; ...