23256EW33 Nachi Spherical Roller Bearing Bronze Cage 280mm x 500mm x 176mm Made in Japan 23256EW33 Nachi Spherical Roller Bearings, Bronze Cage, Made in Japan, the 23256EW33 inner diameter is 280mm, the 23256EW33 outer diameter is 500mm and the 23256EW33 width is 176mm.