... P4 4.ISO9001:2000 Systerm 5.Strong technology auto bearing NO.1:FACTORY INTRODUCTIONFactory size30000m2Employee number142 peopleAnnual ... mining indutrial,wind electricity,equipment,lathe,cement factory,auto,motor,pump,energy tool,other industrial use1)Ball ... -standard bearingNO.2:Bearing range1)ID:60-4000mm2)Precision class: P0,P6,P5,P4,P23)Tolerance: ABEC ... 2RS,636 2RS to 6305 2RS PRECISION AUTO BEARING