... ,instrument,dental... Miniature Bearings Features:2,Structure:General,flanged,extended inner ring3,Shield / closure: Open,Teflon Sealed,Rubber Seals,2 Metal ... , AISI304, AISI316, Ceramic8,Retainer: PTFE, Nylon, PEEK Or Stainless Steel9,Bore Size:from 1mm to 15mm10,Outside Diameter:from 3mm to ...