High Quality China Deep Groove Ball Bearing 6000 1.High precision&quality 2.ISO 9001 certified 3.Stable in chemical High Quality China Deep Groove BallBearing 6000Material: chrome steel ... ,RMS seriesSpecification:1) Open, Z, ZZ, RZ,2RZ,RS, 2RS 2) Clearance: C0, C2, C3 3) Precision Tolerance: ABEC-1 (P0 ...