SG27 Spur Gearbox - Round
SG27 Series
A 27 mm diameter and sleeve-bearing output identify the SG27 round spur gearbox. Its listed ratio choices use several stages and corresponding gearbox lengths.
Product Highlights
- Listed gear ratios: 30–610:1
- Gearbox diameter: 27 mm
- Output bearing: sleeve bearing
- Gearbox length: 17.8–25.1 mm
Customization Available
- Custom output shaft dimensions and features
- Mounting and mechanical integration
- Gear ratios
- Special lubricants
Shop NowProduct Specifications
| Model | SG2730000 | SG2739000 | SG2775000 | SG2798000 | SG2724400 | SG2718700 | SG2761000 | SG2751000 |
|---|---|---|---|---|---|---|---|---|
| Gearbox Type | Spur Gearbox - Round | Spur Gearbox - Round | Spur Gearbox - Round | Spur Gearbox - Round | Spur Gearbox - Round | Spur Gearbox - Round | Spur Gearbox - Round | Spur Gearbox - Round |
| Gearbox Model | SG27 | SG27 | SG27 | SG27 | SG27 | SG27 | SG27 | SG27 |
| Gear Ratio (:1) | 30 | 39 | 75 | 98 | 244 | 187 | 610 | 510 |
| Max. Input Speed (rpm) | — | — | — | — | — | — | — | — |
| Number Of Gear Stages | 4 | 4 | 4 | 5 | 5 | 6 | 6 | 7 |
| Gearbox Diameter (mm) | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
| Gearbox Length (mm) | 17.8 | 17.8 | 17.8 | 20.3 | 20.3 | 22.6 | 22.6 | 25.1 |
| Max Continuous Torque (mN·m) | 98.07 | 98.07 | 98.07 | 117.68 | 156.91 | 156.91 | 196.13 | 196.13 |
| Breaking Torque (mN·m) | 294.20 | 294.20 | 294.20 | 353.04 | 470.72 | 470.72 | 588.40 | 588.40 |
| Gearbox Efficiency (%) | 59 | 59 | 59 | 53 | 53 | 48 | 48 | 48 |
| Gearbox Weight (kg) | 0.035 | 0.035 | 0.035 | 0.036 | 0.036 | 0.037 | 0.037 | 0.038 |
| Shaft Diameter (mm) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Pinion Hole Diameter (mm) | φ2 | φ2 | φ2 | φ2 | φ2 | φ2 | φ2 | φ2 |
| Operating Temperature Range (°C) | -30 ~ 65 | -30 ~ 65 | -30 ~ 65 | -30 ~ 65 | -30 ~ 65 | -30 ~ 65 | -30 ~ 65 | -30 ~ 65 |
| Gearbox Housing Material | Zinc Alloy (Die casting) | Zinc Alloy (Die casting) | Zinc Alloy (Die casting) | Zinc Alloy (Die casting) | Zinc Alloy (Die casting) | Zinc Alloy (Die casting) | Zinc Alloy (Die casting) | Zinc Alloy (Die casting) |
| Gear Material | Powder Metallurgy (Fe) / Plastics / Steel | Powder Metallurgy (Fe) / Plastics / Steel | Powder Metallurgy (Fe) / Plastics / Steel | Powder Metallurgy (Fe) / Plastics / Steel | Powder Metallurgy (Fe) / Plastics / Steel | Powder Metallurgy (Fe) / Plastics / Steel | Powder Metallurgy (Fe) / Plastics / Steel | Powder Metallurgy (Fe) / Plastics / Steel |
| Gear Design | Helical Gear / Spur Gear | Helical Gear / Spur Gear | Helical Gear / Spur Gear | Helical Gear / Spur Gear | Helical Gear / Spur Gear | Helical Gear / Spur Gear | Helical Gear / Spur Gear | Helical Gear / Spur Gear |
| Output Shaft Bearing | Sleeve Bearing | Sleeve Bearing | Sleeve Bearing | Sleeve Bearing | Sleeve Bearing | Sleeve Bearing | Sleeve Bearing | Sleeve Bearing |
| Lubricant In Gearbox | FUMIO | FUMIO | FUMIO | FUMIO | FUMIO | FUMIO | FUMIO | FUMIO |
| Axial Play (mm) | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 |
| Radial Play (mm) | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 |
| Backlash (°) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Gear Module (M) | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 |
Product downloads
| Specification | 3D CAD |
|---|---|
 | — |