Gears and transmission
1:4 DC Motor Gearbox (608 bearings)
- Bounding box
- 70.0 × 50.0 × 45.0 mm
- Engine
- Precision B-rep
- Parameters
- 26
- Published
- November 7, 2026
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The prompt
gearbox 1:4 ratio using 608 bearings and a 2mm input for a dc motor shaft
Parameters
| Name | Value | Range |
|---|---|---|
| Housing Length (X) | 70 mm | 50 – 120 |
| Housing Width (Y) | 50 mm | 40 – 100 |
| Housing Height (Z) | 18 mm | 12 – 40 |
| Wall Thickness | 3 mm | 2 – 6 |
| Floor Thickness | 4 mm | 2 – 8 |
| Cover Thickness | 5 mm | 3 – 10 |
| Cover Bearing Boss Height | 2 mm | 1 – 4 |
| Cover Screw Dia (M3) | 3.2 mm | 2.5 – 5 |
| 608 Bearing OD | 22 mm | 16 – 30 |
| 608 Bearing Bore | 8 mm | 5 – 12 |
| 608 Bearing Width | 7 mm | 5 – 12 |
| Gear Module | 1 mm | 0.5 – 2 |
| Pinion Teeth | 10 teeth | 8 – 20 |
| Output Gear Teeth | 40 teeth | 20 – 60 |
| Gear Face Width | 8 mm | 4 – 14 |
| Pinion Bore (motor shaft) | 2 mm | 1.5 – 5 |
| Output Gear Bore | 8 mm | 4 – 12 |
| Output Shaft Dia | 8 mm | 5 – 12 |
| Output Shaft Length | 45 mm | 30 – 80 |
| Shaft Protrusion Above Cover | 15 mm | 5 – 40 |
| Shaft Flat Depth | 1.2 mm | 0.2 – 2.5 |
| Output Axis Offset from Centre | 7 mm | 0 – 15 |
| Motor Plate Size | 30 mm | 20 – 45 |
| Motor Plate Thickness | 3 mm | 1.5 – 6 |
| Motor Fixing Slot Width | 3.2 mm | 2.5 – 5 |
| Motor Shaft Clearance | 2.2 mm | 2 – 5 |
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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