NU306BNLS Nachi Cylindrical Roller Bearing Pressed Cage 30mm x 72mm x 19mm Made in Japan NU306BNLS Nachi Cylindrical Roller Bearings, Pressed Cage, Made in Japan, the NU306BNLS inner diameter is 30mm, the NU306BNLS outer diameter is 72mm, NU306BNLS width is 19mm.