... bearing 5/8:1,ABEC-3,5;Z2V2,Z3V3 2,High speed 3,End cover:ZZ,RS 4,Noise level:Z1,Z2 5,C2,C0 ... Lily bearing is a specialized manufacturer of flanged ball bearing 5/8. Flanged miniature bearings are available open, shielded or sealed.with ... : Open,Teflon Sealed,Rubber Seals,2 Metal Shield 2),Tolerance codes: ABEC-1, ABEC-3, ABEC-5, ABEC-7 3),Vibration level codes ...