1.ISO9001:2008,ISO/TS16949certificate 2.precision :P5,P4,P2 3.used in high speed wire rod rolling mill 4.OEM available BearingOD mmKGBearingOD mmKGNU 20235,0000,046N 21090,0000,480NUP 30452,0000,160NJ 21090,0000,500NJ 220552,0000,170NU 221090,0000,570NUP 220552,0000,175NU 310110,0001,150NJ 30562,0000,250NJ 310110,0001,200NJ 40580,0000,600NUP 310110,0001,210N 20662,0000,220NU 101190,0000,450NU ...