1.High Performance,Long life 2,Competitive price 3,Quick delivery,good service ... ,fishing reel,food machinery,instrument,dental...Miniature Bearings Features:2,Structure:General,flanged,extended inner ring3,Shield / closure: ... Open,Teflon Sealed,Rubber Seals,2 Metal Shield4,Tolerance codes: ABEC-1, ABEC-3, ... to 0.375 inches R series High Performance Precision Miniture bearing