... solid brass cage is used. When the outer diameter of bearing is no more than 400 millimeter, stamped steel cage is ... used2 Bearing Part NO. 6000,6200,6300,6400,6800,6900,16000,62200 ... and Nonstandard bearings according to customers' drawings & samples.6 Shield/closure: Open ball bearing, Z, ZZ, RS, 2RS, 2RZ7 Tolerance Code: ABEC ...