... Ball Bearing 6000 1.High precision&quality 2.ISO 9001 certified 3.Stable in chemical High Quality China Deep Groove BallBearing ... 6700Series,16000Series,6800Series,6900Series,1600Series,1600Series, wider Series, Inch R series,MR Series,RLS series,RMS seriesSpecification:1) Open ... Precision Tolerance: ABEC-1 (P0), ABEC-3 (P6), ABE C-5(P5)4) Noise Level: Z2V1, Z3V2 , Z4V35) Application: Caster ...