... manufacturer3.good quality fair price4.OEM serviceCylindrical roller bearing:N,NU,NJ,NUP,NF,NN seriesCylindrical roller bearing is ... speeds.There are different types designated as NU, NJ, NUP, N, NF (for single-row bearings), NNU, and NN ( ... outer and inner rings of all types are separable.N 204 NF 204 NJ 204 NJ 304 NU 203 ... 2212 NJ 413 NU 2211 NU 413 NUP 413N 313 NF 313 NJ 2213 NJ 414 NU 2212 NU 414 NUP ...