23234EW33KC3BNLZ Nachi Spherical Roller Bearing Bronze Cage : Tapered Bore Made in Japan 23234EW33KC3BNLZ Nachi Spherical Roller Bearings, Bronze Cage, the bearing has a tapered inner ring bore (K), Made in Japan, the 23234EW33KC3BNLZ inner diameter is 170mm, the 23234EW33KC3BNLZ outer diameter is 310mm and the 23234EW33KC3BNLZ width is 110mm.