... steelCage MaterialBrass,Ductile Iron,Solid steel,Steel,Carbon steel,Copper,Nylon,etc.ID Size5-450mmCertificationISO9002,QS9000,ISO14000,TS16949PrecisionP0,P4 ... 7.Sliding Bearings8.Special Bearings BrandSKF bearing, FAG bearing, KOYO bearing, NSK bearing, NTN bearing, INA bearing, TIMKEN bearing, ZWZ bearing, HRB bearingTel0086-531-67890572Fax0086-531- ...