Type A Machines 2014 Improved Spool holder with bearings and G2 extruder lower guide

This is an improved spool holder for 2014 Series 1 Type A machines printer. It features two skate bearings and requires an M8x100 bolt with two M8 nuts
Update:
After running this bracket for a 24 hour solid print I noticed that the weight of the reel causes it to sag and as a result the reel always ends up at the far end of the spindle. The end ridge kept it on fine, but in the later stages of a 24 hour print I was paranoid it might fall off so kept an eye on it (it did not). However I desig