Idler Pulley Conversion - 608 ZZ Bearing Cobblebot

I had some bearings leftover from my Cobblebot build and other spare parts. I needed a few Idler pullies for a belt system I was working on so I designed this conversion kit.

The 2 outer pieces press fit onto the outside of the bearings and each other to create flanges for a GT2 Timing belt to rest in. There is a 7mm gap between the 2 flanges. By scaling the Z axis this could work for other width belts.

The 2 inner pieces press fit onto the inside of the bearings and each other to create