3D Printable 608ZZ Bearing

thingiverse

I used the 608ZZ Printable bearing with https://www.thingiverse.com/thing:3209211 in my example. My filament with real bearings would freely spin and tangle the filament around the spool, but printed bearings are a bit more restrictive, making this perfect for this application. Support is included in the print, with a ring around the bearings that should be printed with the side facing down. After printing, remove the support and work the bearing for a decent amount of time. I added various sizes of bearings to the design, with 4.5mm being the default size that has been fully tested. Depending on your printer, you can use larger or smaller bearings.