Bearing holder for 24 - 56mm holed filament spools, to mount it on a M8 rod. Bearing type: DIN625-608 (D=22mm, d=8mm, h=7mm)
Allready printed! :) Good fitting of the bearing, not to tight, not to loose. Noncontinuous seat area for better fitting.
16.02.2017 Edit: exchanged the lettering with my logo
22.02.2017 CHECK OUT THE NEW VERSION OF THE UNIVERSAL SPOOL HOLDER HERE -----> http://www.thingiverse.com/thing:2129026