... and a planetary gearbox Technical Datas of Stepper gear motor 32PA/35BYGPLANETARY GEAR STEPPER MOTORHousing Material: MetalBacklash at No-load: ≤1 ... .003.53.51000435BYGH34-050-6A/B1.8/0.934110.50221210006 32PA/35BYG Planetary Gearbox with Stepper Motor