23030EW33 Nachi Spherical Roller Bearing Steel Cage 150mm x 225mm x 56mm Made in Japan 23030EW33 Nachi Spherical Roller Bearing, Steel Cage, Made in Japan, the 23030EW33 inner diameter is 150mm, the 23030EW33 outer diameter is 225mm and the 23030EW33 width is 56mm.