M8 Radial Bearing Housing

Uses M3 bolts/screws. Can be mounted on 2020 extrusions or wood etc.
Fits the following item: http://www.ebay.com/itm/Pack-of-10-Balls-Bearing-608ZZ-ID-Bore-8mm-22mm-7mm-608Z-By-VXB-Bearings-608-/400072122346?hash=item5d26281fea

The height of the bearing center/axis is 15mm

For a tighter fit, print at 0.99 or 0.98 scale.