... deliver,strict QC&RD CERAMIC BALL BEARINGID Range: 30-3000mm Precision Class: P0,P6,P5,P4,P2 Clearance: C0,C1,C2 ... bearingApplication:Steel factory,Milling,Cement FactoryMining,Power,Machine Tool,Aeroplane,Auto,TrainANGULAR CONTACT BALL BEARING available7220CM 718/750ACF1 QJF1021MB QJ221N2MA QJ238N2MA ...