
Model & Selection
Model & Specification Comparison
| SKU | Gearbox Type | Gearbox Model | Gear Ratio | Number Of Gear Stages | Gearbox Diameter | Gearbox Length | Max Continuous Torque | Breaking Torque | Gearbox Efficiency | Gearbox Weight | Shaft Diameter | Pinion Hole Diameter | Operating Temperature Range | Gearbox Housing Material | Gear Material | Gear Design | Output Shaft Bearing | Lubricant In Gearbox | Axial Play | Radial Play | Backlash | Gear Module |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SR2880000 | Spur Gearbox - Round | SR28 | 8 :1 | 3 | 28 mm | 22.5 mm | 0.5 kgf·cm | 1.5 kgf·cm | 81 % | 33 g | 4 mm | φ2.3 mm | -30 ~ 65 C | Zinc Alloy (Die casting) | Powder Metallurgy (Fe) / Plastics / Steel | Helical Gear / Spur Gear | Sleeve Bearing | FUMIO | 0.3 mm | 0.05 mm | 2 ° | 0.4 M |
| SR2812000 | Spur Gearbox - Round | SR28 | 12 :1 | 3 | 28 mm | 22.5 mm | 0.5 kgf·cm | 1.5 kgf·cm | 73 % | 33 g | 4 mm | φ2.3 mm | -30 ~ 65 C | Zinc Alloy (Die casting) | Powder Metallurgy (Fe) / Plastics / Steel | Helical Gear / Spur Gear | Sleeve Bearing | FUMIO | 0.3 mm | 0.05 mm | 2 ° | 0.4 M |
| SR2824000 | Spur Gearbox - Round | SR28 | 24 :1 | 4 | 28 mm | 22.5 mm | 1 kgf·cm | 3 kgf·cm | 66 % | 34 g | 4 mm | φ2.3 mm | -30 ~ 65 C | Zinc Alloy (Die casting) | Powder Metallurgy (Fe) / Plastics / Steel | Helical Gear / Spur Gear | Sleeve Bearing | FUMIO | 0.3 mm | 0.05 mm | 2 ° | 0.4 M |
| SR2836000 | Spur Gearbox - Round | SR28 | 36 :1 | 4 | 28 mm | 22.5 mm | 1 kgf·cm | 3 kgf·cm | 66 % | 34 g | 4 mm | φ2.3 mm | -30 ~ 65 C | Zinc Alloy (Die casting) | Powder Metallurgy (Fe) / Plastics / Steel | Helical Gear / Spur Gear | Sleeve Bearing | FUMIO | 0.3 mm | 0.05 mm | 2 ° | 0.4 M |
| SR2848000 | Spur Gearbox - Round | SR28 | 48 :1 | 5 | 28 mm | 22.5 mm | 1.2 kgf·cm | 3.6 kgf·cm | 59 % | 34 g | 4 mm | φ2.3 mm | -30 ~ 65 C | Zinc Alloy (Die casting) | Powder Metallurgy (Fe) / Plastics / Steel | Helical Gear / Spur Gear | Sleeve Bearing | FUMIO | 0.3 mm | 0.05 mm | 2 ° | 0.4 M |
| SR2872000 | Spur Gearbox - Round | SR28 | 72 :1 | 5 | 28 mm | 22.5 mm | 1.2 kgf·cm | 3.6 kgf·cm | 59 % | 34 g | 4 mm | φ2.3 mm | -30 ~ 65 C | Zinc Alloy (Die casting) | Powder Metallurgy (Fe) / Plastics / Steel | Helical Gear / Spur Gear | Sleeve Bearing | FUMIO | 0.3 mm | 0.05 mm | 2 ° | 0.4 M |
| SR2810800 | Spur Gearbox - Round | SR28 | 108 :1 | 5 | 28 mm | 22.5 mm | 1.2 kgf·cm | 3.6 kgf·cm | 59 % | 34 g | 4 mm | φ2.3 mm | -30 ~ 65 C | Zinc Alloy (Die casting) | Powder Metallurgy (Fe) / Plastics / Steel | Helical Gear / Spur Gear | Sleeve Bearing | FUMIO | 0.3 mm | 0.05 mm | 2 ° | 0.4 M |
Technical Specifications
| Gearbox Type | Spur Gearbox - Round |
|---|---|
| Gearbox Model | SR28 |
| Gear Ratio | 8 :1 |
| Number Of Gear Stages | 3 |
| Gearbox Diameter | 28 mm |
| Gearbox Length | 22.5 mm |
| Max Continuous Torque | 0.5 kgf·cm |
| Breaking Torque | 1.5 kgf·cm |
| Gearbox Efficiency | 81 % |
| Gearbox Weight | 33 g |
| Shaft Diameter | 4 mm |
| Pinion Hole Diameter | φ2.3 mm |
| Operating Temperature Range | -30 ~ 65 C |
| Gearbox Housing Material | Zinc Alloy (Die casting) |
| Gear Material | Powder Metallurgy (Fe) / Plastics / Steel |
| Gear Design | Helical Gear / Spur Gear |
| Output Shaft Bearing | Sleeve Bearing |
| Lubricant In Gearbox | FUMIO |
| Axial Play | 0.3 mm |
| Radial Play | 0.05 mm |
| Backlash | 2 ° |
| Gear Module | 0.4 M |
