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: MGL17-G50
The MGL series high-precision planetary gearbox features a gear ratio of 50:1 and a maximum backlash of 45arc-min. Different with MG series gearboxes, the MGL series is designed to accommodate standard Nema 17 motors with standard shafts. This allows for more flexibility in the motor matching gearbo..
A$28.99
Model: MGL17-G5
The MGL series high-precision planetary gearboxes of the MGL series offers a gear ratio of 5:1 and a maximum backlash of 30arc-min. In contrast to the MG series, the MGL series is specially designed to support standard Nema 17 motors with standard shafts and therefore offers greater flexibility in t..
A$22.00
Model: MGL17-G4
The MGL series high-precision planetary gearboxes of the MGL series offers a gear ratio of 4:1 and a maximum backlash of 30arc-min. In contrast to the MG series, the MGL series is specially designed to support standard Nema 17 motors with standard shafts and therefore offers greater flexibility in t..
A$22.00
Model: MGL17-G25
The MGL series high-precision planetary gearboxes of the MGL series offers a gear ratio of 25:1 and a maximum backlash of 45arc-min. In contrast to the MG series, the MGL series is specially designed to support standard Nema 17 motors with standard shafts and therefore offers greater flexibility in ..
A$28.99
Model: MGL17-G20
The MGL series high-precision planetary gearboxes of the MGL series offers a gear ratio of 20:1 and a maximum backlash of 45arc-min. In contrast to the MG series, the MGL series is specially designed to support standard Nema 17 motors with standard shafts and therefore offers greater flexibility in ..
A$28.99
Model: MGL17-G100
The MGL series high-precision planetary gearboxes of the MGL series offers a gear ratio of 100:1 and a maximum backlash of 45arc-min. In contrast to the MG series, the MGL series is specially designed to support standard Nema 17 motors with standard shafts and therefore offers greater flexibility in..
A$28.99
Model: MGL17-G10
The MGL series high-precision planetary gearboxes of the MGL series offers a gear ratio of 10:1 and a maximum backlash of 30arc-min. In contrast to the MG series, the MGL series is specially designed to support standard Nema 17 motors with standard shafts and therefore offers greater flexibility in ..
A$22.00
Model: MG23-G50-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 50:1 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: MG23-G5-D8
This high-precision planetary gearbox is belong to MG series gearbox, with gear ratio 5:1 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: 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: 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: 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-G50
The size of this gearbox is 42 x 42mm and the input shaft diameter is 5mm. This high-precision planetary gearbox is belong to MG series gearbox, it with gear ratio 50:1 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$28.90
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
Model: MG17-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 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$28.90
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: 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: 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-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-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: 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: 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-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 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-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 60mm and a shaft diameter of 14mm. It delivers stable transmission, low-noise operation, precision helical gearing design, high power density, enhanced load capa..
A$161.01
Model: HTG60-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 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$102.64
Model: HTG40-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 40mm and a shaft diameter of 8mm. It delivers stable transmission, low-noise operation, precision helical gearing design, high power density, enhanced load capaci..
A$140.90
Model: HTG40-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 40mm and a shaft diameter of 8mm. It delivers stable transmission, low-noise operation, precision helical gearing design, high power density, enhanced load capacit..
A$88.56
Model: HTG40-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 40mm and a shaft diameter of 8mm. It delivers stable transmission, low-noise operation, precision helical gearing design, high power density, enhanced load capaci..
A$140.90
Model: HTG40-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 40mm and a shaft diameter of 8mm. It delivers stable transmission, low-noise operation, precision helical gearing design, high power density, enhanced load capaci..
A$88.56
Model: EGS8-G50
This is the smallest planetary gearbx for Nema 8 stepper motor with a gear ratio of 50:1, a maximum backlash of 20arc-min and an input disameter of 4mm. It's an excellent choice for applications that require good accuracy and reliability at an exceptional value.
Gearbox Specifications
..
A$75.26
Model: EGS8-G5
This is the smallest planetary gearbx for Nema 8 stepper motor with a gear ratio of 5:1, a maximum backlash of 15arc-min and an input disameter of 4mm. It's an excellent choice for applications that require good accuracy and reliability at an exceptional value.
Gearbox Specification..
A$57.90
Model: EGS8-G20
This is the smallest planetary gearbx for Nema 8 stepper motor with a gear ratio of 20:1, a maximum backlash of 20arc-min and an input disameter of 4mm. It's an excellent choice for applications that require good accuracy and reliability at an exceptional value.
Gearbox Specifications
..
A$75.26
Model: EGS8-G100
This is the smallest planetary gearbx for Nema 8 stepper motor with a gear ratio of 100:1, a maximum backlash of 25arc-min and an input disameter of 4mm. It's an excellent choice for applications that require good accuracy and reliability at an exceptional value.
Gearbox Specification..
A$92.64
Model: EGS8-G10
This is the smallest planetary gearbx for Nema 8 stepper motor with a gear ratio of 10:1, a maximum backlash of 15arc-min and an input disameter of 4mm. It's an excellent choice for applications that require good accuracy and reliability at an exceptional value.
Gearbox Specificatio..
A$57.90
Model: EGS14-G5
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.
Gearbox Specifications
Part Number: EGS14-G5
..
A$45.46
Model: EGS14-G45
This high-precision planetary gearbox is belong to EG series gearbox, it with gear ratio 45:1 and a maximum 25arc-min backlash. It's an excellent choice for applications that require good accuracy and reliability at an exceptional value.
Gearbox Specifications
Part Number: EGS14-G45
..
A$61.34
Model: EGS14-G20
The size of this gearbox is 35 x 35mm 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$61.36
Model: EGS14-G15
This high-precision planetary gearbox is belong to EG series gearbox, it with gear ratio 15:1 and a maximum 20arc-min backlash. It's an excellent choice for applications that require good accuracy and reliability at an exceptional value.
Gearbox Specifications
Part Number: EGS14-G15
..
A$61.36
Model: EGS14-G100
The size of this gearbox is 35 x 35mm and the input shaft diameter is 5mm. This high-precision planetary gearbox is belong to EG series gearbox, it with gear ratio 100:1 and a maximum 25arc-min backlash. It's an excellent choice for applications that require good accuracy and reliability at an excep..
A$61.36
Model: EGS11-G50
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 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$59.09
Model: EGS11-G5
This high-precision planetary gearbox is belong to EG series gearbox, it with gear ratio 5:1 and a maximum 15arcmin backlash. It's an excellent choice for applications that require good accuracy and reliability at an exceptional value.
Gearbox Specifications
Part Number: EGS11-G5
Gearbox T..
A$45.44
Model: EGS11-G20
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 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$59.09
Model: EGS11-G100
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 100:1 and a maximum 25arc-min backlash. It's an excellent choice for applications that require good accuracy and reliability at an excep..
A$72.72
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: EG42-G100
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 cou..
A$284.27
Model: EG34-G50-D13
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 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$140.90
