SR37 Spur Gearbox - Round
SR37 Series
The 37 mm SR37 is a round spur gearbox with sleeve-bearing output support. Its ratio range and four listed body lengths allow different reductions to be compared.
Product Highlights
- Listed gear ratios: 9.5–1154:1
- Gearbox diameter: 37 mm
- Output bearing: sleeve bearing
- Gearbox length: 30.5–38 mm
Customization Available
- Custom output shaft dimensions and features
- Mounting and mechanical integration
- Gear ratios
- Special lubricants
Product Specifications
| Model | SR3795000 | SR3710000 | SR3719000 | SR3728500 | SR3743000 | SR3757000 | SR3785500 | SR3712800 | SR3717100 | SR3725650 | SR3738500 | SR3751300 | SR3776950 | SR3711540 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | Spur Gearbox - Round | Spur Gearbox - Round | Spur Gearbox - Round | Spur Gearbox - Round | Spur Gearbox - Round | Spur Gearbox - Round |
| Gearbox Model | SR37 | SR37 | SR37 | SR37 | SR37 | SR37 | SR37 | SR37 | SR37 | SR37 | SR37 | SR37 | SR37 | SR37 |
| Gear Ratio (:1) | 9.5 | 10 | 19 | 28.5 | 43 | 57 | 85.5 | 128 | 171 | 256.5 | 385 | 513 | 769.5 | 1154 |
| Max. Input Speed (rpm) | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Number Of Gear Stages | 3 | 3 | 4 | 4 | 4 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 7 |
| Gearbox Diameter (mm) | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 |
| Gearbox Length (mm) | 30.5 | 30.5 | 30.5 | 30.5 | 30.5 | 33 | 33 | 33 | 35.5 | 35.5 | 35.5 | 38 | 38 | 38 |
| Max Continuous Torque (mN·m) | 196.13 | 196.13 | 196.13 | 196.13 | 196.13 | 392.27 | 392.27 | 392.27 | 588.40 | 588.40 | 588.40 | 588.40 | 588.40 | 588.40 |
| Breaking Torque (mN·m) | 588.40 | 588.40 | 588.40 | 588.40 | 588.40 | 1176.80 | 1176.80 | 1176.80 | 1765.20 | 1765.20 | 1765.20 | 1765.20 | 1765.20 | 1765.20 |
| Gearbox Efficiency (%) | 73 | 73 | 73 | 73 | 73 | 59 | 59 | 59 | 53 | 53 | 53 | 50 | 50 | 50 |
| Gearbox Weight (kg) | 0.108 | 0.108 | 0.108 | 0.108 | 0.108 | 0.114 | 0.114 | 0.114 | 0.122 | 0.122 | 0.122 | 0.126 | 0.126 | 0.126 |
| Shaft Diameter (mm) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Pinion Hole Diameter (mm) | φ 2 / φ 3.17 | φ 2 / φ 3.17 | φ 2 / φ 3.17 | φ 2 / φ 3.17 | φ 2 / φ 3.17 | φ 2 / φ 3.17 | φ 2 / φ 3.17 | φ 2 / φ 3.17 | φ 2 / φ 3.17 | φ 2 / φ 3.17 | φ 2 / φ 3.17 | φ 2 / φ 3.17 | φ 2 / φ 3.17 | φ 2 / φ 3.17 |
| Operating Temperature Range (°C) | -30 ~ 65 | -30 ~ 65 | -30 ~ 65 | -30 ~ 65 | -30 ~ 65 | -30 ~ 65 | -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) | 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 | 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 | 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 | Sleeve Bearing | Sleeve Bearing | Sleeve Bearing | Sleeve Bearing | Sleeve Bearing | Sleeve Bearing |
| Lubricant In Gearbox | FUMIO | FUMIO | FUMIO | FUMIO | FUMIO | FUMIO | FUMIO | FUMIO | FUMIO | FUMIO | FUMIO | FUMIO | FUMIO | FUMIO |
| Axial Play (mm) | 0.35 | 0.35 | 0.35 | 0.35 | 0.35 | 0.35 | 0.35 | 0.35 | 0.35 | 0.35 | 0.35 | 0.35 | 0.35 | 0.35 |
| Radial Play (mm) | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 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 | 2 | 2 | 2 | 2 | 2 | 2 |
| Gear Module (M) | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |