63/28JC3BNLS Nachi Bearing 28mm x 68mm x 18mm Made in Japan 63/28JC3BNLS Nachi Bearing, Made in Japan, the 63/28JC3BNLS inner diameter is 28mm, the 63/28JC3BNLS outer diameter is 68mm, 63/28JC3BNLS width is 18mm.