... used 2 Bearing Part NO. 6000, 6200, 6300, 6400, 6800, 6900, 16000, 62200, 62300 & NR series bearings 3 Extra-large size ball bearings, which ... bearings according to customers' drawings & samples. 6 Shield/closure: Open ball bearing, Z, ZZ, RS, 2RS, 2RZ 7 Tolerance Code: ABEC-1 ...