23124EX1W33 Nachi Spherical Roller Bearing Steel Cage Made in Japan 23124EX1W33 Nachi Spherical Roller Bearing, Steel Cage, Made in Japan, the 23124EX1W33 inner diameter is 120mm, the 23124EX1W33 outer diameter is 200mm and the 23124EX1W33 width is 62mm.