6208-2NSENR Nachi Bearings With Snap Ring (C clip) 40mm x 80mm x 18mm Made in Japan 6208-2NSENR Nachi Bearing with a Snap Ring, the 6208-2NSENR inner diameter is 40mm, the 6208-2NSENR outer diameter is 80mm, the 6208-2NSENR width is 18mm.