bearings for electric motors can be used in automobile,precision machinery,electric tools,power tools,sports apparatus,machines Item: All types ... ,2RS,NR available2.material:chrome steel3.quality certification:ISO9001:2000 system4.vibration and noise level:Z1V1,Z2V2,Z3V35.precision ... delivery,OEM available7.Advantage:competitive prices with excellent quality High Quality bearings for electric motors