SDP bearing mount for x-axis

This is intended to mount bearings like:

https://sdp-si.com/eStore/..%5Css%5CPDF%5C80505055.pdf

Just like: thingiverse.com/thing:13229

they were made to work with: thingiverse.com/thing:13228

Tested for fit, goes together like it was made to. :)

I've just uploaded a second version in which the ID is .6mm larger - this version should require less sanding to fit. :)