623 or 623zz to 608 Spacer

Snugly fits a 623 bearing and effectively increases the outer diameter to 608 bearing size. I made this in order to accommodate a bowden extruder I was printing out that required a 608 bearing that I did not have.
This will be a snug fit, but that is intentional and will keep it from slipping. If you have trouble getting it in, push it down into it on a flat surface, or sand it a bit.