Y-Motor support Prusa Mendel 3dp02

When I realized that I needed more tension on my belts I found that standart Y-Motor mount is not strong enough (or not so well designed) to keep its place. It twists and driver gear stop beeing completely aligned. Fortunately i found some old bearings that just fit 5mm inner diameter and I designed a kind of mirror for the standart mount, so motor driveshaft end stay on the bearing and i can fit the belt as much as i need without any issue.

Design is for a 16x5x5 bearing and lower screw is