23148EW33 Nachi Spherical Roller Bearing Bronze Cage 240mm x 400mm x 128mm Made in Japan 23148EW33 Nachi Spherical Roller Bearings, Bronze Cage, Made in Japan, the 23148EW33 inner diameter is 240mm, the 23148EW33 outer diameter is 400mm and the 23148EW33 width is 128mm.