Deep Groove Ball Bearings, are widely used in various applications, and ... brass cage is used. When the outer diameter of bearing is no more than 400 millimeter, stamped steel ... cage is used 2 Bearing Part NO. 6000, 6200, 6300, 6400, 6800, 6900 ... according to customers' drawings & samples. 6 Shield/closure: Open ball bearing, Z, ZZ, RS, 2RS, 2RZ 7 Tolerance Code: ...