... .6000,6200,6300,6400,6800,6900,16000,62200,62300 & NR series bearings 3 Extra-large size ball bearings, which ID ranges ... Nonstandard bearings according to customers' drawings & samples.6 Shield/closure: Open ball bearing, Z, ZZ, RS, 2RS, 2RZ7 Tolerance Code: ABEC ...