23218EXW33 Nachi Spherical Roller Bearing Steel Cage 90mm x 160mm x 52.4mm Made in Japan 23218EXW33 Nachi Spherical Roller Bearing, Steel Cage, Made in Japan, the 23218EXW33 inner diameter is 90mm, the 23218EXW33 outer diameter is 160mm and the 23218EXW33 width is 52.4mm.