... N 306Cylindrical roller bearings 2.bears radial load 3.Small friction coefficient 4.ISO9000:2001 5.OEM is ok 1.KOYO N 306Cylindrical roller ... bearings/koyo bearings/koyo roller bearingsN 2312N 304N 305N 306N 307N 308N ... usually pressed steel, copper alloy,4.Types:Single row cylindrical roller bearing: N, NU, NJ, NF, NUP, NFP,NH(NJ+HJ)Double ...