24P 24 mm Planetary Gearbox - Technical Datasheet v1.0¶
Status: Public engineering evaluation reference
Release date: 2026-10-06
The SigGear 24P is a 24 mm planetary gearbox platform with one- to four-stage configurations. Performance values below are consolidated from the current canonical product page. Mechanical-interface details are linked to the controlled 2D drawing reference released for this model.
Key Specifications¶
| Parameter | Public value |
|---|---|
| Nominal outer diameter | 24 mm |
| Number of stages | 1-4 |
| Gearbox length range | 24.6–42.0 mm |
| Reduction ratio range | 3.83:1–759.7:1 |
| Rated allowable torque range | 10.0–30.0 kgf·cm |
| Maximum momentary torque range | 20.0–60.0 kgf·cm |
| Efficiency range | 66–90% |
| Backlash at no load | ≤ 1.2° |
| Continuous permissible input speed | ≤ 8,000 rpm |
| Operating temperature range | −40 to 120 °C |
Maximum momentary torque is not a continuous working rating.
Stage, Ratio and Performance¶
| Stages | Gearbox body length L | Available ratios | Rated allowable torque | Maximum momentary torque | Efficiency |
|---|---|---|---|---|---|
| 1 | 24.6 mm | 3.83 / 4.4 / 5.25 | 10.0 kgf·cm | 20.0 kgf·cm | 90% |
| 2 | 30.4 mm | 14.7 / 16.8 / 19.4 / 20.1 / 23 / 27.7 | 15.0 kgf·cm | 30.0 kgf·cm | 80% |
| 3 | 36.2 mm | 56.2 / 64.5 / 74.1 / 77 / 85.2 / 88.5 / 101.6 / 105.6 / 121.3 / 144.7 | 20.0 kgf·cm | 40.0 kgf·cm | 73% |
| 4 | 42.0 mm | 215.2 / 247.2 / 284 / 294.9 / 326.2 / 338.6 / 374.8 / 389.3 / 404.3 / 447.2 / 464.5 / 533.6 / 554.2 / 636.7 / 759.7 | 30.0 kgf·cm | 60.0 kgf·cm | 66% |
Published Load / Shaft Limits¶
| Parameter | Public value |
|---|---|
| Radial load, 10 mm from flange | ≤ 3.0 kgf |
| Shaft axial load | ≤ 1.0 kgf |
| Radial shaft play | ≤ 0.04 mm |
| Thrust shaft play | ≤ 0.3 mm |
Only values currently published for 24P are shown. Do not transfer limits from another frame size.
Motor Matching Reference¶
- Adapted DC motor nominal voltage: 3–36 VDC
- Adapted DC motor power: below 28 W
These are motor-matching conditions, not electrical ratings of the mechanical gearbox.
Mechanical Interface and CAD¶
View 24P Mechanical Interface v1.0
Download 24P Simplified STEP - 4-Stage Reference
A simplified public 4-stage STEP reference is released for early packaging and mechanical Design-In. The detailed full-assembly STEP remains configuration-controlled and request-only because it contains internal planetary transmission geometry.
For final CAD, provide the selected ratio, stage count and motor interface.
Request CAD / Controlled Drawing
Selection Information Required¶
Please provide:
- Required output speed or reduction ratio
- Continuous and momentary output torque
- Motor voltage, power and speed
- Motor shaft diameter and length
- Motor mounting-hole pattern and locating pilot
- Output-shaft requirements
- Radial and axial loads
- Duty cycle and ambient temperature
- Backlash, noise and service-life targets
- Prototype and annual quantity
Related Product¶
Engineering Contact¶
Wanrong Wang
International Sales / Sales Engineer, SigGear
wangwanrong@siggear.com