22310AEXW33 Nachi Spherical Roller Bearing Bronze Cage 50mm x 110mm x 40mm Made in Japan 22310AEXW33 Nachi Spherical Roller Bearings, Bronze Cage, Made in Japan, the 22310AEXW33 inner diameter is 50mm, the 22310AEXW33 outer diameter is 110mm and the 22310AEXW33 width is 40mm.