22215EXW33K Nachi Spherical Roller Bearing Steel Cage : Tapered Bore Made in Japan 22215EXW33K Nachi Spherical Roller Bearing, Steel Cage, the bearing has a tapered inner ring bore (K), Made in Japan, the 22215EXW33K inner diameter is 75mm, the 22215EXW33K outer diameter is 130mm and the 22215EXW33K width is 31mm.