... ok 4.Keeper:PFE,nylon.stainless steel 5.Warranty:one year 1.NN 3005 Cylindrical roller bearing/roller bearing NN 3005--NN 3010NN 3011-- ... removed easily.The cage is usually pressed steel, copper alloy,4.Types:Single row cylindrical roller bearing: N, NU, NJ, NF, NUP ... NFP,NH(NJ+HJ)Double row cylindrical roller bearing: NN, NNU, NNF,Multi-row cylindrical roller bearing: FC, FCD5.Application:It’s widely ...