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 STEEL NO.COMPONENTCSiMnCrMoPS CuNiGCr150. ... ,6300Series,6700Series,16000Series,6800Series,6900Series,1600Series,1600Series, wider Series, Inch R series,MR Series,RLS series,RMS seriesSpecification:1) Open, Z, ZZ, RZ, ...