... ,Seal form: open style, Z,ZZ,RS,2RS,2RZ,2,Bearing stop ring: N,NR3, Class of precision : ABEC-1 ... Z46 Internal elimination code: C0,C2,C3,C4,C57Bearing..material:bearing,,steel(9Cr18),stainless steel(AISI440C,AISI304,AISI316),Ceramics8,Keepr: ... stainless steel, PTFE,nylon9,Bearing ferrule and ball hardness:59-63HRC10 Apply: automotive , electrical, ...