22220EXW33K Nachi Spherical Roller Bearing Steel Cage : Tapered Bore Made in Japan 22220EXW33K Nachi Spherical Roller Bearing, Steel Cage, the bearing has a tapered inner ring bore (K), Made in Japan, the 22220EXW33K inner diameter is 100mm, the 22220EXW33K outer diameter is 180mm and the 22220EXW33K width is 46mm.