NU210EGBNLS Nachi Cylindrical Roller Bearing Nylon Cage 50mm x 90mm x 20mm Made in Japan NU210EGBNLS Nachi Cylindrical Roller Bearing, Nylon Cage, Made in Japan, the NU210EGBNLS inner diameter is 50mm, the NU210EGBNLS outer diameter is 90mm, NU210EGBNLS width is 20mm.