CR10 CR-10 spool bearing

I mounted my spool holder on the top of the frame. This means the filament is being pulled down, which adds to the friction of the spool on the bar. To reduce this, I made a roller bearing for my machine.

I designed it to use eight rollers, so you need to print the two sleeves, two rings and eight rollers.

The inner sleeve slides over the standard CR-10 spool bar.

The two rings hold the rollers apart, so they don't rub on each other.

The outer sleeve fits my spools, from Filamentiv