Robo3d Spool holder with bearings

I had to print at PLA, 25% infill.

Carbon tube 8mm lightly sanding with sandpaper

The bearings I sized them too.
http://www.amazon.com/Bearing-Shielded-Greased-Miniature-Bearings/dp/B002BBD6X4?ie=UTF8&psc=1&redirect=true&ref_=od_aui_detailpages02