Nachi Bearings 6010-2NSE 50mm x 80mm x 16mm Made in Japan 6010-2NSE Nachi Bearing, Made in Japan, here are the dimensions of the 6010-2NSE, the 6010-2NSE inner diameter is 50mm, the 6010-2NSE outer diameter is 80mm, 6010-2NSE width is 16mm.