22315AEXW33 Nachi Spherical Roller Bearing Steel Cage 75mm x 160mm x 55mm Made in Japan 22315AEXW33 Nachi Spherical Roller Bearing, Steel Cage, Made in Japan, the 22315AEXW33 inner diameter is 75mm, the 22315AEXW33 outer diameter is 160mm and the 22315AEXW33 width is 55mm.