22218EXW33K Nachi Spherical Roller Bearing Steel Cage : Tapered Bore 90mm x 160mm x 40mm Made in Japan 22218EXW33K Nachi Spherical Roller Bearings, Steel Cage, the bearing has a tapered inner ring bore (K), Made in Japan, the 22218EXW33K inner diameter is 90mm, the 22218EXW33K outer diameter is 160mm and the 22218EXW33K width is 40mm.