Nema 17 Timing Belt Reduction

Nema 17 stepper motor timing belt reduction, ratio 1: 4.

Required hardware:

2 x F686ZZ ball bearing

2 x threaded inserts M3

2 x  Socket Set Screw M3  6mm

4 x Nuts M3

4 x  Screws M3 35 mm

1 x GT2 Timing Belt 6mm Belt  200 mm

1 x GT2 Timing Pulley, for 6mm Belt,  20 Tooth 5mm Bore

assembly sequence video: