52mm spool holder inside a spool (for bearing M8, M22)

Timelapse of the print: https://youtu.be/nMRH_1Z1GiM

The bearing is as tight fit, but it fits.

Full printer settings:
Temperature extruder: 210°C
Temperature bed: not heated
Infill: 25%
Material: PLA
Layer height: 0.2mm
Adhesion: none
Support: none
Software: Reptier-Host V2.1.2
Slicer: CuraEngine
Print speed: 50mm/s
Outer perimeter speed: 45mm/s
Infill speed: 80mm/s