Something bothered me with the first design ( https://www.thingiverse.com/thing:3091455 ), and I decided it needs a redrawing :D.
I used the following parts :
1 x M3 x 25 mm Screw to tighten the ball bearing
1 x 608 ball bearing
1 x M3 x 10 mm Screw
1 x M3 Nut