21319EXW33K Nachi Spherical Roller Bearings Steel Cage : Tapered Bore Made in Japan 21319EXW33K Nachi Spherical Roller Bearings, Steel Cage, the bearing has a tapered inner ring bore (K), Made in Japan, the 21319EXW33K inner diameter is 95mm, the 21319EXW33K outer diameter is 200mm and the 21319EXW33K width is 45mm.