PLF90 High Precision Low Noise Planetary Gear Reducer Fit Nema34 86 14mm Stepper Motor For CNC ,Easy to Use

Level 1 Reduction Ratio 4:1 5:1 7:1 10:1 Level 2 Reduction Ratio 16//20/25/28/35/40/45/50/70 Backlash smaller than 10 Arcmin to 15 Arcmin Output Shaft 20mm Input Diametter 14mm Rated Input Speed 3000min Max Input Speed 6000min Average Lifespan 20000h