... different types of low noise, non-standard and special bearings.1.Bore diameter:3mm-50mm2.Bearing range:60series:606,607,608, ... 99502H,499502H16000Series:16001,16002,16003,16005,16007Non-standard bearing series:Clutch bearing,Special purpose bearing,N,NR snaping ,Handware/Axle sleeve, ... Z,ZZ,RZ,2RZ,N,NR4.Material:Gcr155.Quality standard:ISO9001:20006.Chief uses:automatic transmission mechanisms, home ...