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, ... bearings.1)Bore diameter:3mm-50mm2)Bearing range:60series:606,607.608,6000,6001,6002,6003,6004,6005,6006 ... 2RS,Z,ZZ,RZ,2RZ,N,NR4)Material:Gcr155)Quality standard:ISO9001:20006)Chief uses:automatic transmission mechanisms, ...