... & High Quality Cylindrical Roller Bearing Cylindrical Roller Bearing N1012 Series N,NU,NJ,NN,NF,NUP,NNU series, etc. Ring Material GCr15 GCr15SiMn Cage Material Brass ... ,NJ,NU,NP300E 10-190 N,NF,NJ,NU,NP100 10-260 N,NF,NJ,NU,NP2200E 10-220 N,NF,NJ,NU,NP2300E 10-190 N,NF,NJ,NU ...