608 bearing washer with boss

https://www.youtube.com/watch?v=p8KVesLWGSQ

bearing washer for the 608 bearing for my RAPTOR open source 3D printer project. the washer has a boss so pressure can be put on the bearing with out stopping the spin of the bearing.

will also work on rep raps

find the open source build of the Raptor on my forum, as time allows