6307-2NSENR Nachi Bearing With Snap Ring (C clip) 35mm x 80mm x 21mm Made in Japan 6307-2NSENR Nachi Bearing with a Snap Ring, the 6307-2NSENR inner diameter is 35mm, the 6307-2NSENR outer diameter is 80mm, the 6307-2NSENR width is 21mm.