21320EXW33 Nachi Spherical Roller Bearing Steel Cage 100mm x 215mm x 47mm Made in Japan 21320EXW33 Nachi Spherical Roller Bearing, Steel Cage, Made in Japan, the 21320EXW33 inner diameter is 100mm, the 21320EXW33 outer diameter is 215mm and the 21320EXW33 width is 47mm.