NU312EGBNLSP Nachi Cylindrical Roller Bearing Nylon Cage 60mm x 130mm x 31mm Made in Japan NU312EGBNLSP Nachi Cylindrical Roller Bearings, Nylon Cage, Made in Japan, the NU312EGBNLSP inner diameter is 60mm, the NU312EGBNLSP outer diameter is 130mm, NU312EGBNLSP width is 31mm.