40-Tooth Module 2 Spur Gear
Standard 20° pressure-angle involute spur gear — free engineering reference, STL/DXF/SVG downloads, and a live customizer.
| Teeth | 40 |
|---|---|
| Module | 2 mm |
| Pressure angle | 20° |
| Pitch diameter | 80 mm |
| Outside diameter | 84 mm |
| Root diameter | 75 mm |
| Base diameter | 75.18 mm |
| Circular pitch | 6.28 mm |
| Addendum | 2 mm |
| Dedendum | 2.5 mm |
| Whole depth | 4.5 mm |
| Tooth thickness (at pitch circle) | 3.14 mm |
| Bore diameter (default) | 20 mm |
| Face width (default) | 12 mm |
Meshing
- Meshes with a 38-tooth module 2 gear at a center distance of 78 mm.
- Meshes with a 42-tooth module 2 gear at a center distance of 82 mm.
Related gears
38T · m2
Fewer teeth, same module
42T · m2
More teeth, same module
40T · m0.3
Same 40 teeth, module 0.3
40T · m0.5
Same 40 teeth, module 0.5
40T · m1
Same 40 teeth, module 1