23226EW33K Nachi Spherical Roller Bearing Steel Cage : Tapered Bore Made in Japan 23226EW33K Nachi Spherical Roller Bearing, Steel Cage, the bearing has a tapered inner ring bore (K), Made in Japan, the 23226EW33K inner diameter is 130mm, the 23226EW33K outer diameter is 230mm and the 23226EW33K width is 80mm.