... 4.ISO9000:2001 5.OEM is ok 1.KOYO N 306Cylindrical roller bearings/koyo bearings/koyo roller bearingsN 2312N ... load.Small friction coefficient, suitable for high speed.N and NU types can move axially.Inner or outer ... , copper alloy,4.Types:Single row cylindrical roller bearing: N, NU, NJ, NF, NUP, NFP,NH(NJ+HJ ... gas turbines, rolling mill and handling equipment. KOYO N 306Cylindrical roller bearings