suppliers of small ball bearings:1,ABEC-3,5;Z2V2,Z3V3 ... specialized manufacturer of suppliers of small ball bearings. Features:1),Shield / closure: Open,Teflon Sealed,Rubber Seals,2 Metal Shield2),Tolerance codes ... to 30mm Currently, our miniature bearings contains the following types, Metal Shield Bearings Open Bearings Rubber Seals Bearings Teflon Sealed Bearings ...