... 6312 bearing/6312 bearing 1.Sealed:RS,RZ,2RS,2RZ 2.Snap ring groove:N,NR,ZN 3.OEM is accepted ... 4.ISO9001:2000 1. ZWZ 6312 bearing 2. Product nameZWZ 6312 BEARING/6312 BEARINGBrand namezwzSeries 6312MaterialBearing steel GCr15 ... 31mmSeal typeOpen and Seal,Z,RZ,RS,2RS,2RZ,NBall row numberSingle row and double rowFeaturesSuitable for high speed even extremely high ...