small low friction bearing:1,ABEC-3,5;Z2V2,Z3V3 2,High speed 3,End ... ... Lily bearing is a specialized manufacturer of small low friction bearing. Features:1),Shield / closure: Open,Teflon Sealed,Rubber Seals,2 Metal ... Shield2),Tolerance codes: ABEC-1, ABEC-3, ABEC-5, ABEC-73),Vibration level codes: V4 ...