Deep Groove Ball Bearing 1.low noise, long life, 2.profession design, 3.good bearing, 4.steel material deep groove ball bearingOur main products include deep groove ball bearings, ... standard and special bearings.1)Bore diameter:3mm-50mm2)Bearing range:60series:606,607.608,6000,6001,6002, ... 2RS,Z,ZZ,RZ,2RZ,N,NR4)Material:Gcr155)Quality standard:ISO9001:20006)Chief uses:automatic transmission mechanisms, ...