ZBF Bearing Features:ISO9001:2015 and IATF16949:2016 certificates quality management systemPrecision: ABEC-1(P0), ABEC-3(P6)Noise level: Z1, Z2, Z3, Z4Vibration Level: V1, V2, V3, V4Clearance: C0, C2, C3, C4, C5Hardness: 60-65 HRCLow friction, long service lifeWelcome OEM order.
China Factory Direct Sales Deep Groove Ball Bearing