Planetary Servo Gearboxes
Ondrives.US is your leading resource for high performance, precision engineered gearboxes. Our internal epicyclic servo gear reducers are available in a range of bore sizes and gear ratios, making it easy to find the right one for your unique motion transfer needs.
Compact Planetary Servo Gearboxes
Our EHD Series internal epicyclic servo reducers provide exceptional performance in rugged, compact frames. They feature fully machined, aluminum block housings and dual ball bearings on all shafts. These inline planetary gearboxes also offer numerous motor mounting options, making them a versatile solution for a range of applications.
EHD planetary servo gear reducers deliver output torques up to 380 Nm. Available in a range of gear ratios from 3:1 to 36:1.
For full specifications and Dimensional Parametric Search, see individual product listings.
The Ondrives.US Advantage
- Low backlash (≤30 arc/min at input)
- High efficiency (up to 92% at 1,000 RPM)
- Max. input speed: 3,000 RPM
- Available gear ratios from 3:1 to 36:1
- Output torque up to 380 Nm
- Ondrives.US' epicyclic servo gearboxes feature dual ball bearings on all shafts
- Machined aluminum block housings
- Permanently lubricated