Idler/Pulley Replacement for Geeetech Prusa i3 X

Remix of https://www.thingiverse.com/thing:1116216 with the original dimensions of the stock idler of the Geeetech Prusa i3 X Pro kit.
Dimensions in mm:
d1=11 (inner diameter)
d2=14 (outer diameter)
d3=4 (screwhole diameter)

Only a temporary replacement since i doubt it will last long due to the friction. But with this i can print while i wait for the ball bearings.

Update: Version with ball bearings https://www.thingiverse.com/thing:1818674
Update2: Version with ball bearings and te