22313EXW33K Nachi Spherical Roller Bearing Steel Cage : Tapered Bore Made in Japan 22313EXW33K Nachi Spherical Roller Bearings, Steel Cage, the bearing has a tapered inner ring bore (K), Made in Japan, the 22313EXW33K inner diameter is 65mm, the 22313EXW33K outer diameter is 140mm and the 22313EXW33K width is 48mm.