... shipping company.5.We can provide single and double row cylindrical roller bearing,include NU,NJ,NUP,N,NF, NNU,NN ... NF336NJ344N1072 NJ336NU344NF1072 NU336N1048NU1072 NJ2336NJ1048NU1076 NU2336NU1048N1080 N1038N248NU1080 NU1038NF248 NUP1080 Single Row Cylindrical Roller Bearing With Best Quality