... ,Structure:General,flanged,extended inner ring3,Shield / closure: Open,Teflon Sealed,Rubber Seals,2 Metal Shield4,Tolerance codes: ABEC-1, ABEC ... , V2, V16,Internal clearance codes: C0,C2, C3, C4, C57,Material: AISI52100, AISI440C, AISI304, AISI316, Ceramic8,Retainer: PTFE, Nylon, PEEK Or ...