Robo3d R1 Z Axis Bearing Stabilizer

So I made a Z Stabilizer that uses a 608ZZ 8x22x7 Shielded Greased Miniature Ball Bearings. I tried to make something different because every z stabilizer i make would always catch the threaded rod and bind it up. I did sand the inside to clean up the stragglers and make it easier to fit the bearings.

Make both of them. I printed them without support at a 25 infill PLA. I used two sided stick pads to mount to inside double sided tape could work to. The right side on mine had more of a gap an