... 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 ... 2213 NJ 414 NU 2212 NU 414 NUP 414N 314 NF 314 NJ 2214 NJ 415 NU 2213 NU 415 NUP ...