23132EW33K Nachi Spherical Roller Bearing Bronze Cage : Tapered Bore Made in Japan 23132EW33K Nachi Spherical Roller Bearings, Bronze Cage, the bearing has a tapered inner ring bore (K), Made in Japan, the 23132EW33K inner diameter is 160mm, the 23132EW33K outer diameter is 270mm and the 23132EW33K width is 86mm.