6201-2NSENR Nachi Bearing With Snap Ring (C clip) 12mm x 32mm x 10mm Made in Japan 6201-2NSENR Nachi Bearing with a Snap Ring, the 6201-2NSENR inner diameter is 12mm, the 6201-2NSENR outer diameter is 32mm, the 6201-2NSENR width is 10mm.