23024EW33 Nachi Spherical Roller Bearing Tapered Bore Made in Japan 23024EW33 Nachi Spherical Roller Bearing, the bearing has a tapered inner ring bore (K), Made in Japan, the 23024EW33 inner diameter is 120mm, the 23024EW33 outer diameter is 180mm and the 23024EW33 width is 46mm.