Gears and transmission
4:1 Geared DC Motor Gearbox - Round Motor Mount
- Bounding box
- 120.0 × 78.0 × 45.0 mm
- Engine
- Precision B-rep
- Parameters
- 28
- Published
- November 7, 2026
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The prompt
ADD to the gearbox housing cover a round motor mount 25mm instead of the original motor mount
Parameters
| Name | Value | Range |
|---|---|---|
| Housing Length | 120 mm | 60 – 220 |
| Housing Width | 78 mm | 40 – 160 |
| Housing Height | 30 mm | 15 – 70 |
| Wall Thickness | 2.5 mm | 1.2 – 6 |
| Floor Thickness | 3 mm | 1.5 – 8 |
| Cover Thickness | 3 mm | 1.5 – 8 |
| Cover Bearing Boss Height | 4 mm | 2 – 10 |
| Cover Screw Diameter (M3) | 3 mm | 2 – 5 |
| Bearing Outer Diameter (608) | 22 mm | 10 – 40 |
| Bearing Bore (608) | 8 mm | 3 – 20 |
| Bearing Width (608) | 7 mm | 3 – 20 |
| Gear Module | 1.5 mm | 0.5 – 4 |
| Pinion Teeth (input) | 10 teeth | 6 – 40 |
| Output Gear Teeth | 40 teeth | 10 – 120 |
| Gear Face Width | 8 mm | 3 – 25 |
| Pinion Bore (2 mm motor shaft) | 2 mm | 0.5 – 10 |
| Output Gear Bore | 8 mm | 2 – 20 |
| Output Axis Offset from Centre | 22 mm | 0 – 60 |
| Output Shaft Diameter | 8 mm | 3 – 20 |
| Output Shaft Length | 45 mm | 15 – 120 |
| Shaft Protrusion Above Cover | 12 mm | 0 – 50 |
| Shaft Flat Depth | 1 mm | 0.2 – 3 |
| Round Motor Mount Diameter | 25 mm | 10 – 60 |
| Motor Mount Height | 5 mm | 1 – 20 |
| Motor Screw Hole Spacing | 16 mm | 6 – 40 |
| Motor Screw Diameter (M3) | 3 mm | 1.6 – 5 |
| Motor Shaft Clearance Hole | 3 mm | 2 – 12 |
| Mount Base Fillet Radius | 1 mm | 0 – 4 |
Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.
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