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: EG17-G100-USED
This high-precision planetary gearbox is belong to EG series gearbox, it with gear ratio 100:1 and a maximum 20arc-min backlash. It's an excellent choice for applications that require good accuracy and reliability at an exceptional value.
This inline planetary gearbox built-in an input shaft coupl..
A$47.87 A$33.95
Model: EG34-G10-USED
The size of this gearbox is 90 x 90mm and the input shaft diameter is 14mm. This high-precision planetary gearbox is belong to EG series gearbox, it with gear ratio 10:1 and a maximum 15arc-min backlash. It's an excellent choice for applications that require good accuracy and reliability at an excep..
A$95.44 A$45.98
Model: EG34-G20-D13-USED
The size of this gearbox is 90 x 90mm and the input shaft diameter is 12.7mm. This high-precision planetary gearbox is belong to EG series gearbox, it with gear ratio 20:1 and a maximum 20arc-min backlash. It's an excellent choice for applications that require good accuracy and reliability at an exc..
A$170.37 A$153.33
Model: MG23-G10-D8-USED
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 A$20.77
Model: TG60-G7-USED
This high-precision 60mm planetary gearbox is belong to TG series gearbox, with a gear ratio 7:1 and a maximum 10arc-min backlash. It's an excellent choice for applications that require good accuracy and reliability at an exceptional value.
This in-line planetary gearbox can match most servo motor..
A$77.73 A$29.94
Model: EG23-G10-D6
The size of this gearbox is 60 x 60mm and the input shaft diameter is 6.35mm. This high-precision planetary gearbox is belong to EG series gearbox, it with gear ratio 10:1 and a maximum 15arc-min backlash. It's an excellent choice for applications that require good accuracy and reliability at an exc..
A$54.54
Model: EG23-G10-D8
The size of this gearbox is 60 x 60mm and the input shaft diameter is 8mm. This high-precision planetary gearbox is belong to EG series gearbox, it with gear ratio 10:1 and a maximum 15arc-min backlash. It's an excellent choice for applications that require good accuracy and reliability at an except..
A$54.54
Model: EGS11-G10
The size of this gearbox is 28 x 28mm and the input shaft diameter is 5mm. This high-precision planetary gearbox is belong to EG series gearbox, it with gear ratio 10:1 and a maximum 15arc-min backlash. It's an excellent choice for applications that require good accuracy and reliability at an except..
A$45.44
Model: EG17-G10
The size of this gearbox is 42 x 42mm and the input shaft diameter is 5mm. This high-precision planetary gearbox is belong to EG series gearbox, it with gear ratio 10:1 and a maximum 15arc-min backlash. It's an excellent choice for applications that require good accuracy and reliability at an except..
A$46.82
Model: EG34-G10
The size of this gearbox is 90 x 90mm and the input shaft diameter is 14mm. This high-precision planetary gearbox is belong to EG series gearbox, it with gear ratio 10:1 and a maximum 15arc-min backlash. It's an excellent choice for applications that require good accuracy and reliability at an excep..
A$95.44
Model: EG17-G20
The size of this gearbox is 42 x 42mm and the input shaft diameter is 5mm. This high-precision planetary gearbox is belong to EG series gearbox, it with gear ratio 20:1 and a maximum 20arc-min backlash. It's an excellent choice for applications that require good accuracy and reliability at an except..
A$58.18
Model: EG34-G20
The size of this gearbox is 90 x 90mm and the input shaft diameter is 14mm. This high-precision planetary gearbox is belong to EG series gearbox, it with gear ratio 20:1 and a maximum 20arc-min backlash. It's an excellent choice for applications that require good accuracy and reliability at an excep..
A$136.34
Model: EG23-G50-D6
The size of this gearbox is 60 x 60mm and the input shaft diameter is 6.35mm. This high-precision planetary gearbox is belong to EG series gearbox, it with gear ratio 50:1 and a maximum 20arc-min backlash. It's an excellent choice for applications that require good accuracy and reliability at an exc..
A$74.99
Model: EG23-G50-D8
The size of this gearbox is 60 x 60mm and the input shaft diameter is 8mm. This high-precision planetary gearbox is belong to EG series gearbox, it with gear ratio 50:1 and a maximum 20arc-min backlash. It's an excellent choice for applications that require good accuracy and reliability at an except..
A$74.99
Model: EG34-G50
The size of this gearbox is 90 x 90mm and the input shaft diameter is 14mm. This high-precision planetary gearbox is belong to EG series gearbox, it with gear ratio 50:1 and a maximum 20arc-min backlash. It's an excellent choice for applications that require good accuracy and reliability at an excep..
A$136.34
Model: EG23-G5-D10
This high-precision planetary gearbox is belong to EG series gearbox, it with gear ratio 5 :1 and a maximum 15arc-min backlash. It's an excellent choice for applications that require good accuracy and reliability at an exceptional value.
This inline planetary gearbox built-in an input shaft coupli..
A$54.54
Model: EG23-G5-D6
EG Series Planetary Gearbox Gear Ratio 5:1 Backlash 15arc-min for 6.35mm Shaft Nema 23 Stepper Motor
The size of this gearbox is 60 x 60mm and the input shaft diameter is 6.35mm. This high-precision planetary gearbox is belong to EG series gearbox, it with gear ratio 5:1 and a maximum 15arc-min backlash. It's an excellent choice for applications that require good accuracy and reliability at an exce..
A$54.54
Model: EG23-G5-D8
The size of this gearbox is 60 x 60 mm and the input shaft diameter is 8mm. This high-precision planetary gearbox is belong to EG series gearbox, it with gear ratio 5:1 and a maximum 15arc-min backlash. It's an excellent choice for applications that require good accuracy and reliability at an except..
A$54.54
Model: EG17-G5
The size of this gearbox is 42 x 42mm and the input shaft diameter is 5mm. This high-precision planetary gearbox is belong to EG series gearbox, it with gear ratio 5:1 and a maximum 15arc-min backlash. It's an excellent choice for applications that require good accuracy and reliability at an excepti..
A$46.82
Model: EG34-G5
The size of this gearbox is 90 x 90mm and the input shaft diameter is 14mm. This high-precision planetary gearbox is belong to EG series gearbox, it with gear ratio 5:1 and a maximum 15arc-min backlash. It's an excellent choice for applications that require good accuracy and reliability at an except..
A$95.44
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: 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: 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
Model: MG23-G20-D8
The size of this gearbox is 57 x 57mm and the input shaft diameter is 8mm. This high-precision planetary gearbox is belong to MG series gearbox, it with gear ratio 20:1 and a maximum 45arc-min backlash. Diffent with the EG series' steel gears, MG series' gears are made of powder metallurgy. It's an ..
A$39.74
Model: MG17-G5
This high-precision planetary gearbox is belong to MG series gearbox, it with gear ratio 5:1 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
