6216 skf deep groove ball bearing 1,high preciou and long life 2,low noise and vibration 3,competitive price 6216 skf deep groove ball bearing1.Types:60series,62series,63series,,68series,69series,etc.2.Material: ... , 2RS, RZ, ZNR, etc.4. Vibration and Noisy level: Z1, Z2, Z3 ZV1.ZV2.ZV3,5. Precision level: ABEC-1, ABEC-3 ...