6218-2NSENR Nachi Bearing 90mm x 160mm x 30mm With Snap Ring (C clip) Made in Japan 6218-2NSENR Nachi Bearing with a Snap Ring, the 6218-2NSENR inner diameter is 90mm, the 6218-2NSENR outer diameter is 160mm, 6218-2NSENR width is 30mm.