idler bracket for dual Z belt drive ender 3 v wheel 625 bearings

Wanted a reprap style solution for the lower idler brackets so designed this unit around the 625 bearings that live in your old V wheels. Designed around a 5mm bolt with small bumps inside to clamp onto the inner bearing race. Printed in PLA 0.2mm layer height 80% infill 4 walls and came out well.