6220-2NSENR Nachi Bearing 100mm x 180mm x 34mm With Snap Ring (C clip) Made in Japan 6220-2NSENR Nachi Bearing with a Snap Ring, the 6220-2NSENR inner diameter is 100mm, the 6220-2NSENR outer diameter is 180mm, 6220-2NSENR width is 34mm.