High torque planetary gearbox GP42
Suitable motor sizes
NEMA 17 (42 mm)
Rated output torque
6.5 – 24.4 Nm
Max. backlash
60´ (arc minutes)
Efficiency
85 - 90%
Possible reduction ratios
4 - 46
High-torque planetary gearboxes are used with NEMA 17 stepper motors and brushless DC motors. Using of the gearbox results in a compact and powerful drive unit that is suitable for a wide variety of applications. The GP42 series is equipped with an 8 mm shaft and planets that run on sliding bearings.
Technical data
Admissible radial shaft Load
305 N
Admissible axial shaft Load
890 N
Protection class
IP54
Operation temperature
-15°C ... +90°C
Admissible radial shaft Load
305 N
Admissible axial shaft Load
890 N
Protection class
IP54
Operation temperature
-15°C ... +90°C
Reduction ratios of high torque planetary gearbox GP42
| Reduction ratio | Rated output torque, Nm | Max. output torque, Nm | Efficiency, % | Max. input speed, rpm | Max. backlash, arc minutes | Moment of inertia, kg∙mm² | Length L, mm | Weight, kg |
| 4 | 6.5 | 12.7 | 90 | 8236 | 60 | 0.81 | 42.7 | 0.3 |
| 5 | 6.9 | 13.8 | 11943 | 0.48 | ||||
| 7 | 7.3 | 14.6 | 17061 | 0.28 | ||||
| 9 | 7.0 | 14 | 18000 | 0.22 | ||||
| 15 | 9.1 | 18.2 | 85 | 8236 | 0.62 | 56.6 | 0.4 | |
| 20 | 9.4 | 18.8 | 11943 | 0.51 | ||||
| 25 | 8.6 | 17.2 | 14050 | 0.4 | ||||
| 46 | 12.2 | 24.4 | 18000 | 0.22 |
Dimensions of high torque planetary gearbox GP42
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