Filament spool holder 608 bearing roller

Made this design for free movement of bearing, also holding the filament spool on the bearing surface. There are guides so the filament spool won't fall between the gap of the spool holder and bearing, caused by the spacers used to hold the bearing firmly.

Print 2 of this and use the following materials:

4 x 608 ZZ or 608 2RS bearings
8 x M8 spacers
4 x M8 nuts

4 x M8 20mm screws ( anything above 16.2mm should work )
or
2 x M8 treaded bars ( in case of making a width variable spool