Single-Row And Double-Row Cylindrical Roller Bearing (NUP 234,NJ 222,NU 2240,N 319,NN 4900) We can supply the following size very well. Series: SL N NJ NU NUP NN NJ ^ NU200 single-row(NU, NJ, NUP, N, NF) 100--320 NU300 single-row(NU, NJ, NUP, N, NF) 100--260 NU400 single-row(NU, NJ, NUP, N) 100--170 NU1000 single-row(NU, N) 100--600 NU2200 single-row(NU, NJ, NUP, N) 100--320 NU2300 single-row(NU, NJ, NUP, N, NF) 100--280 NU200E