mini ball bearing :1,ABEC-3,5;Z2V2,Z3V3 2,High speed ... ,C2,C0,C3... Lily bearing is a specialized manufacturer of mini ball bearing. Features:1),Shield / closure: Open,Teflon Sealed,Rubber Seals ... Bearings Open Bearings Rubber Seals Bearings Teflon Sealed Bearings Flanged Ball Bearings Thrust Ball Bearings Hybrid Ceramic Bearings Hybrid Ceramic Bearings