23284EW33 Nachi Spherical Roller Bearing Bronze Cage 420mm x 760mm x 272mm Made in Japan 23284EW33 Nachi Spherical Roller Bearings, Bronze Cage, Made in Japan, the 23284EW33 inner diameter is 420mm, the 23284EW33 outer diameter is 760mm and the 23284EW33 width is 272mm.