... ,Z4 Deep Groove Ball Bearing:1.Chrome steel material Gcr152.Open, ZZ, 2RS3. High accuracy4. Low noise5. Low weight6. Can be ... 2,000,000 per month MaterialChrome steel Type6000 Series Model:6000-6048 6200 Series Model:6200-6248 6300 Series Model:6300 ... deep groove ball bearings, with inner size over 10mmSealZZ, Z, 2RS, RS, OPEN, etc.GradeABEC1 ABEC3, ABEC5, ABEC7 ApplicationMotorcycle, Motor, Pump, Fan ...