1,buy 6202 bearings 2,Competitive price 3,Quick delivery,good service 4,ISO9001:2000 5,12 years ... :240RPM (x1000):24Shield / closure: Open Bearing, Z, ZZ, RS, 2RS,TTTolerance codes: ABEC-1, ABEC-3, ABEC-5, ABEC-7Vibration level codes ... : AISI52100, AISI440C, AISI304, AISI316, CeramicRetainer: PTFE, Nylon, PEEK Or Stainless Steel BALL BEARING