simple customizable bearing spool holder

simple spool holder to run on bearings on a threaded rod.

Print two of these, drop the bearings in, one goes each side of the spool with a threaded rod through the middle of the lot and tighten up with wingnuts either side.

designed for skate bearings (608) on an m8 threaded rod for a spool with 35mm center bore but can be customized to fit other size spools or different bearings etc.