Bearing block for 5mm shaft, bearings at 120 degrees

It was created for SUS shaft with 5 mm outer diameter.
Bearings used are 4 mm inside diameter 9 mm outside diameter 4 mm thickness.
The M4 sems screw is 15 mm, tapping hole for this.

This project ver.2 is here:
http://www.thingiverse.com/thing:2107047