23040EW33 Nachi Spherical Roller Bearing Bronze Cage 200mm x 310mm x 82mm Made in Japan 23040EW33 Nachi Spherical Roller Bearings, Bronze Cage, Made in Japan, the 23040EW33 inner diameter is 200mm, the 23040EW33 outer diameter is 310mm and the 23040EW33 width is 82mm.