NEMA 8 Planetary Gearbox Stepper Motor with 1:19 Reduction Ratio and 0.035Nm Holding Torque for 3D Printers and Robotics
Basic Properties
Trading Properties
Product Summary
Product Details
1:19 Reduction Ratio Planetary Gearbox Stepper Motor
,0.035Nm Holding Torque Geared Stepper Motor
,NEMA 8 Frame Planetary Gear Reducer Motor
Product Description
This Nema 8 bipolar stepper motor features a compact 20 × 20 × 40 mm frame with an integrated planetary gearbox reducer offering a 1:19 gear ratio. With a 1.8° step angle, 0.6 A rated current, and 4-lead configuration, it delivers precise, high-torque motion control for space-constrained precision applications operating at 12 V.












| Product | Length | Meiboya Model | Holding Torque | Rated Current |
|---|---|---|---|---|
| Nema 8 | 28 mm | 20BYGH28 | 15 mNm | 0.2 – 0.6 A |
| 31 mm | 20BYGH31 | 20 mNm | 0.2 – 0.6 A | |
| 48 mm | 20BYGH48 | 35 mNm | 0.3 – 0.6 A | |
| Nema 11 | 23 mm | 28BYGH23 | 40 mNm | 0.3 – 1.0 A |
| 31 mm | 28BYGH31 | 80 mNm | 0.3 – 1.2 A | |
| 40 mm | 28BYGH40 | 110 mNm | 0.4 – 1.2 A | |
| 50 mm | 28BYGH50 | 140 mNm | 0.7 – 1.5 A | |
| Nema 14 | 20 mm | 35BYGF20 | 80 mNm | 0.35 – 1.0 A |
| 28 mm | 35BYGF28 | 160 mNm | 0.4 – 1.5 A | |
| 36 mm | 35BYGF36 | 240 mNm | 0.7 – 1.5 A | |
| 45 mm | 35BYGF45 | 300 mNm | 0.6 – 2.0 A | |
| 55 mm | 35BYGF55 | 450 mNm | 0.8 – 2.2 A | |
| Nema 16 | 20 mm | 39BYGF20 | 120 mNm | 0.35 – 1.0 A |
| 28 mm | 39BYGF28 | 320 mNm | 0.4 – 1.5 A | |
| 33 mm | 39BYGF33 | 380 mNm | 0.6 – 1.5 A | |
| 38 mm | 39BYGF38 | 450 mNm | 0.8 – 2.0 A | |
| 43 mm | 39BYGF43 | 550 mNm | 0.8 – 2.5 A | |
| Nema 17 | 33 mm | 42BYGH33 | 320 mNm | 0.4 – 1.5 A |
| 40 mm | 42BYGH40 | 480 mNm | 0.4 – 2.0 A | |
| 48 mm | 42BYGH48 | 620 mNm | 0.8 – 2.0 A | |
| 58 mm | 42BYGH58 | 800 mNm | 1.0 – 2.0 A | |
| 68 mm | 42BYGH68 | 920 mNm | 1.0 – 2.5 A | |
| Nema 23 | 41 mm | 57BYGH41 | 820 mNm | 1 – 3.5 A |
| 56 mm | 57BYGH56 | 1500 mNm | 1 – 3.5 A | |
| 80 mm | 57BYGH80 | 2300 mNm | 1.5 – 5 A | |
| 100 mm | 57BYGH100 | 3000 mNm | 1.5 – 5 A | |
| Nema 24 | 45 mm | 60BYGH45 | 1000 mNm | 1.5 – 3 A |
| 55 mm | 60BYGH55 | 1600 mNm | 1.5 – 4 A | |
| 67 mm | 60BYGH67 | 2100 mNm | 1.5 – 4 A | |
| 80 mm | 60BYGH80 | 2600 mNm | 2 – 5 A | |
| 98 mm | 60BYGH98 | 3300 mNm | 2 – 5 A | |
| Nema 34 | 67 mm | 86BYGH67 | 3500 mNm | 2 – 5 A |
| 77 mm | 86BYGH77 | 4600 mNm | 2 – 5 A | |
| 97 mm | 86BYGH97 | 6500 mNm | 2 – 5 A | |
| 118 mm | 86BYGH118 | 9000 mNm | 2 – 6 A | |
| 127 mm | 86BYGH127 | 10000 mNm | 3 – 7 A | |
| 156 mm | 86BYGH156 | 12000 mNm | 4 – 7 A | |
Specifications shown are for the standard hybrid stepper motor series. The featured product is a Nema 8 model with an integrated 1:19 planetary gearbox reducer.