Bushing for Filament spool M8 Rod and Bearing 608

You need
-Spool holder see also:
Wall mounting https://www.thingiverse.com/thing:2898869
or https://www.thingiverse.com/thing:2235725

-Bearings 608 (Skateboard out 22mm inner 8mm hight 8mm)
see: https://de.aliexpress.com/wholesale?catId=0&initiative_id=SB_20190221084030&SearchText=608

-M8 Rod

If you have spool with smale Hole use:

PI_bushing.stl

If you have Spool with big hole use:

busching_d22_5_d53.stl