Low-backlash TQ, TQF, MP, LC and SL inline and TR right-angle gearboxes for servo motors, from 88.5 to 10,620 lb-in.
Bonfiglioli's precision planetary gearboxes pair with servo motors on automation axes, indexing tables, packaging machines and robotics, where low backlash, high torsional stiffness and accurate positioning matter. The range runs from the cost-effective LC to the high-torque-density TQ and TQF, with a pulley-output SL for belt drives and the TR for right-angle layouts.
Gordon Russell supplies Bonfiglioli precision planetary gearboxes with motor adapters for most servo motors, and can pair them with Bonfiglioli BMD servomotors. Tell us the motor you are running and we will match the adapter.
The TQ scores in every performance category: high torque density, stiffness and low backlash. The TQF adds a standardized compact flange output.

Right-angle precision planetary gearboxes for servo drives where the motor has to sit at 90 degrees to the load.

| Series | Output | Sizes | Torque range | Ratios | Protection |
|---|---|---|---|---|---|
| TQ | Shaft | 060 to 160 | 177 to 10,620 lb-in | 3 to 100 | IP65 |
| TQF | Flange | 060 to 160 | 177 to 10,620 lb-in | 3 to 100 | IP65 |
| MP | Shaft | 053 to 190 | 106.2 to 10,620 lb-in | 3 to 1,000 | IP65 |
| LC | Shaft | 050 to 155 | 88.5 to 6,195 lb-in | 3 to 100 | IP54 |
| SL | Pulley | 070 to 120 | 159.3 to 2,655 lb-in | 3 to 100 | IP54 |
| TR | Right angle | See catalogue | |||
All series: input speed up to 6,000 rpm; standard or food-grade lubrication. Figures from Bonfiglioli published data. Confirm final selection with a Gordon Russell application engineer.
The Bonfiglioli precision planetary catalogue, IOM manual and industrial automation range brochure. Can't find your model? Send us the nameplate details and we will send the right document.
| Document | Type | Download |
|---|---|---|
| Catalogs & Selection Guides | ||
| Bonfiglioli Industrial Automation Product Range | Brochure | |
| Planetary Gearboxes | ||
| Bonfiglioli Precision Planetary (TQ, MP, TR, LC, SL) | Catalog | |
| Bonfiglioli Precision Planetary | IOM / Manual | |
3 documents.
Looking for other gearbox literature? Browse all industrial gearbox catalogs and manuals.
Most Bonfiglioli precision planetary series are offered with a motor adapter to suit common servo motors, or without an adapter. Send us the motor make and model and we will confirm the adapter.
It depends on the series and number of stages. As an example, the TQF single-stage is under 3 arcmin as standard. Tell us your positioning accuracy requirement and we will recommend the right series.
TQ, TQF, MP, LC and SL are inline. Choose the TR when the motor has to sit at 90 degrees to the load to save space.
Yes. The series on this page are available with standard or food-grade lubrication.
Yes. We can pair the gearbox with Bonfiglioli BMD servomotors and drives, or match it to the motor you already use.
Gordon Russell supplies Bonfiglioli precision planetary gearboxes, motor adapters and replacement units. For a replacement, send us the model code and serial number from the nameplate, plus the servo motor make and model, using the form below.
Tell us the servo motor (make, model, flange and shaft), required ratio and output torque, inline or right angle, and backlash requirement. A Gordon Russell specialist will follow up with sizing, pricing and lead time.