DIN Rail Based linear rail carriage

I took this thing: http://www.thingiverse.com/thing:547706
And made a mounting plate to match it.
It also allows me to add 4 V624ZZ V Groove Sealed Ball Bearings
http://www.amazon.com/V624ZZ-Groove-Bearings-Vgroove-4x13x6mm/dp/B00RGSJ3A2?ie=UTF8&psc=1&redirect=true&ref_=oh_aui_detailpage_o09_s00
to create a linear rail using DIN track from my local electrical supply store.