StepperOnline offers a wide range of planetary gearboxes, including spur, helical and right angle gearboxes, gearbox flanges from the smallest 28mm to the largest 120mm, reduction ratios from 3 to 100, and gearbox accuracy down to 3 arc minutes.
| Series | Model Series |
Size (mm) |
Matching Motor |
Gear Stage |
Body Length (mm) |
Backlash (arcmin) |
Efficiency (%) |
Gear Ratio |
Weight (kg) |
IP Class | Input Shaft Diameter(mm) |
Input Shaft Length(mm) |
| MG | MG17 | 42x42 | NEMA 17 | 1 | 40 | 30 | 90 | 5/10 | 0.25 | IP54 | Φ5 | 6.5~10.5 |
| 2 | 51 | 45 | 80 | 20/50/100 | 0.35 | IP54 | Φ5 | 6.5~10.5 | ||||
| MG23 | 60x60 | NEMA 23 | 1 | 55.5 | 30 | 90 | 5/10 | 0.65 | IP54 | Φ8 | 8~14 | |
| 2 | 68 | 45 | 80 | 20/50 | 0.8 | IP54 | Φ8 | 8~14 | ||||
| MGL | MGL17 | 42x42 | NEMA 17 | 1 | 55 | 30 | 90 | 4/5/10 | 0.29 | IP54 | Φ5 | 21.5~25 |
| 2 | 66 | 45 | 80 | 20/25/50/100 | 0.38 | IP54 | Φ5 | 21.5~25 | ||||
| MGL23 | 60x60 | NEMA 23 | 1 | 66.3 | 30 | 90 | 4/5/10 | 0.75 | IP54 | Φ8 | 20~25 | |
| 2 | 78.8 | 45 | 80 | 20/50 | 0.9 | IP54 | Φ8 | 20~25 | ||||
| EG | EGS8 | 22x22 | NEMA 8 | 1 | 40 | 15 | 96 | 5/10 | 0.07 | IP54 | Φ4 | 6.5~10.5 |
| 2 | 48 | 20 | 94 | 20/50 | 0.09 | IP54 | Φ4 | 6.5~10.5 | ||||
| 3 | 56 | 25 | 90 | 100 | 0.1 | IP54 | Φ4 | 6.5~10.5 | ||||
| EGS11 | 28x28 | NEMA 11 | 1 | 33 | 15 | 90 | 10 | 0.1 | IP54 | Φ5 | 6.5~10.5 | |
| 2 | 41 | 20 | 81 | 50 | 0.13 | IP54 | Φ5 | 6.5~10.5 | ||||
| 3 | 49 | 25 | 73 | 100 | 0.16 | IP54 | Φ5 | 6.5~10.5 | ||||
| EGS14 | 35x35 | NEMA 14 | 1 | 40 | 15 | 96 | 5 | 0.2 | IP54 | Φ5 | 6.5~10 | |
| 2 | 49.5 | 20 | 94 | 15/20 | 0.22 | IP54 | Φ5 | 6.5~10 | ||||
| 3 | 59 | 25 | 90 | 45/100 | 0.28 | IP54 | Φ5 | 6.5~10 | ||||
| EG17 | 42x42 | NEMA 17 | 1 | 56 | 15 | 96 | 5/10 | 0.29 | IP54 | Φ5 | 21.5~25 | |
| 2 | 67 | 20 | 94 | 20/50/100 | 0.38 | IP54 | Φ5 | 21.5~25 | ||||
| EG23 | 60x60 | NEMA 23 | 1 | 73.5 | 15 | 96 | 5/10 | 0.85 | IP54 | Φ6.35/Φ8/Φ10 | 12~31 | |
| 2 | 89.5 | 20 | 94 | 20/50 | 1.1 | IP54 | Φ6.35/Φ8/Φ10 | 12~31 | ||||
| EG24 | 60x60 | NEMA 24 | 1 | 73.5 | 15 | 96 | 5/10 | 0.85 | IP54 | Φ10 | 12~31 | |
| 2 | 89.5 | 20 | 94 | 20/50 | 1.1 | IP54 | Φ10 | 12~31 | ||||
| EG34 | 90x90 | NEMA 34 | 1 | 110 | 15 | 96 | 5/10 | 2.9 | IP54 | Φ12.7/Φ14 | 22~41 | |
| 2 | 132 | 15 | 94 | 20/50 | 3.7 | IP54 | Φ12.7/Φ14 | 22~41 | ||||
| EG42 | 120x120 | NEMA 42 | 3 | 199 | 20 | 90 | 100 | 10 | IP54 | Φ19 | 40~60 | |
| TG | TG40 | 42x42 | T6/A6/DSY | 1 | 51 | 15 | 96 | 5/10 | 0.33 | IP54 | Φ8 | ≤26.5 |
| 2 | 62 | 20 | 94 | 20/50 | 0.43 | IP54 | Φ8 | ≤26.5 | ||||
| TG60 | 60x60 | T6/A6/DSY | 1 | 73.5 | 10 | 96 | 5/10 | 0.85 | IP54 | Φ14 | 12~31 | |
| 2 | 89.5 | 15 | 94 | 20/50/100 | 1.1 | IP54 | Φ14 | 12~31 | ||||
| TG90 | 90x90 | T6/A6/DSY | 1 | 110 | 10 | 96 | 3/5/7/10 | 2.9 | IP54 | Φ19 | 22~41 | |
| 2 | 132.5 | 15 | 94 | 20/30/50 | 3.7 | IP54 | Φ19 | 22~41 | ||||
| Helical | HTG40 | 42x42 | T6/A6/DSY | 1 | 55 | 3 | 97 | 5/10 | 0.5 | IP54 | Φ8 | ≤28 |
| 2 | 76 | 5 | 97 | 20/50 | 1.2 | IP54 | Φ8 | ≤28 | ||||
| HTG60 | 60x60 | T6/A6/DSY | 1 | 72.5 | 3 | 97 | 3/5/10 | 1.1 | IP54 | Φ14 | ≤33 | |
| 2 | 101.5 | 5 | 94 | 20/50/100 | 1.1 | IP54 | Φ14 | ≤33 | ||||
| HTG90 | 90x90 | T6/A6/DSY | 1 | 102 | 3 | 97 | 3/5/10 | 3.8 | IP54 | Φ19 | ≤44 | |
| 2 | 141 | 5 | 97 | 20/50/100 | 5.6 | IP54 | Φ19 | ≤44 | ||||
| AB42 | 42x42 | 40x40 | 1 | 88 | 5 | 95 | 5/10 | 0.6 | IP65 | Φ8 | ≤26 | |
| AB90 | 90x90 | 80x80 | 1 | 155 | 5 | 97 | 5/10 | 3.7 | IP65 | Φ19 | ≤48 | |
| AD60 | 60x60 | 60x60 | 1 | 81.5 | 3 | 97 | 5/10 | 1.4 | IP65 | Φ14 | ≤33.5 | |
| 2 | 103 | 5 | 94 | 20 | 1.6 | IP65 | Φ14 | ≤30 | ||||
| AD90 | 90x90 | 80x80 | 1 | 109 | 3 | 97 | 5/10 | 3.3 | IP65 | Φ19 | ≤45 | |
| 2 | 139 | 7 | 94 | 20 | 4.7 | IP65 | Φ19 | ≤45 | ||||
| AEP60 | 66x66 | 60x60 | 1 | 115 | 5 | 95 | 5/10 | 1.4 | IP65 | Φ14 | ≤30 | |
| 2 | 136.5 | 7 | 90 | 20 | 1.6 | IP65 | Φ14 | ≤30 | ||||
| AEP90 | 90x90 | 80x80 | 1 | 153 | 5 | 95 | 5/10 | 3.3 | IP65 | Φ19 | ≤45 | |
| 2 | 183 | 7 | 92 | 20 | 4.7 | IP65 | Φ19 | ≤45 |
Model: HTG60-G3
The HTG series helical planetary gearbox features a 3:1 gear ratio with 3arcmin backlash. It is designed for servo motors with a size of 60mm and a shaft diameter of 14mm. It delivers stable transmission, low-noise operation, precision helical gearing design, high power density, enhanced load capaci..
A$102.64
Model: HTG60-G50
The HTG series helical planetary gearbox features a 50:1 gear ratio with 5arcmin backlash. It is designed for servo motors with a size of 60mm and a shaft diameter of 14mm. It delivers stable transmission, low-noise operation, precision helical gearing design, high power density, enhanced load capac..
A$161.01
Model: HTG60-G5
The HTG series helical planetary gearbox features a 5:1 gear ratio with 3arcmin backlash. It is designed for servo motors with a size of 60mm and a shaft diameter of 14mm. It delivers stable transmission, low-noise operation, precision helical gearing design, high power density, enhanced load capaci..
A$102.64
Model: HTG90-G100
The HTG series helical planetary gearbox features a 100:1 gear ratio with 5arcmin backlash. It is designed for servo motors with a size of 80mm and a shaft diameter of 19mm, compatible with 80/90mm servo motors. It delivers stable transmission, low-noise operation, precision helical gearing design, ..
A$261.65
Model: HTG90-G10
The HTG series helical planetary gearbox features a 10:1 gear ratio with 3arcmin backlash. It is designed for servo motors with a size of 80mm and a shaft diameter of 19mm, compatible with 80/90mm servo motors. It delivers stable transmission, low-noise operation, precision helical ge..
A$173.09
Model: HTG90-G20
The HTG series helical planetary gearbox features a 20:1 gear ratio with 5arcmin backlash. It is designed for servo motors with a size of 80mm and a shaft diameter of 19mm, compatible with 80/90mm servo motors. It delivers stable transmission, low-noise operation, precision helical gearing..
A$261.65
Model: HTG90-G3
The HTG series helical planetary gearbox features a 3:1 gear ratio with 3arcmin backlash. It is designed for servo motors with a size of 80mm and a shaft diameter of 19mm, compatible with 80/90mm servo motors. It delivers stable transmission, low-noise operation, precision helical gearing ..
A$173.09
Model: HTG90-G50
The HTG series helical planetary gearbox features a 50:1 gear ratio with 5arcmin backlash. It is designed for servo motors with a size of 80mm and a shaft diameter of 19mm, compatible with 80/90mm servo motors. It delivers stable transmission, low-noise operation, precision helical gearing..
A$261.65
Model: HTG90-G5
The HTG series helical planetary gearbox features a 5:1 gear ratio with 3arcmin backlash. It is designed for servo motors with a size of 80mm and a shaft diameter of 19mm, compatible with 80/90mm servo motors. It delivers stable transmission, low-noise operation, precision helical gea..
A$173.09
Model: MG17-G100
This high-precision planetary gearbox is belong to MG series gearbox, it with gear ratio 100:1 and a maximum 45arc-min backlash. Diffent with the EG series' steel gears, MG series' gears are made of powder metallurgy. It's an excellent choice for applications that require good accuracy but low cost...
A$28.90
Model: MG23-G10-D8
This high-precision planetary gearbox is belong to MG series gearbox, it with gear ratio 10:1 and a maximum 30arc-min backlash. Different with the EG series' steel gears, MG series' gears are made of powder metallurgy. It's an excellent choice for applications that require good accuracy but low cost..
A$30.70
Model: MG17-G10
This high-precision planetary gearbox is belong to MG series gearbox, it with gear ratio 10:1 and a maximum 30arc-min backlash. Diffent with the EG series' steel gears, MG series' gears are made of powder metallurgy. It's an excellent choice for applications that require good accuracy but low cost. ..
A$21.68
