6004zz 1.Brand:SKF,NSK,NTN,FAG,XRT(domestic) 2.Qulity standard: ... different types of low noise, non-standard and special bearings.1.Bore diameter:Φ3mm-Φ50mm2.Bearing range:60series:606,607,608 ... uses:automatic transmission mechanisms, home appliance motors, motorcycles, power tools, sports goods, office appliance