48-Tooth Module 1 Spur Gear

Standard 20° pressure-angle involute spur gear — free engineering reference, STL/DXF/SVG downloads, and a live customizer.

3D render of a 48-tooth module 1 involute spur gear, blueprint style, on white background
Teeth48
Module1 mm
Pressure angle20°
Pitch diameter48 mm
Outside diameter50 mm
Root diameter45.5 mm
Base diameter45.11 mm
Circular pitch3.14 mm
Addendum1 mm
Dedendum1.25 mm
Whole depth2.25 mm
Tooth thickness (at pitch circle)1.57 mm
Bore diameter (default)12 mm
Face width (default)6 mm
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Technical diagram of the 48-tooth module 1 gear tooth profile

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46T · m1
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50T · m1
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48T · m0.3
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48T · m0.5
Same 48 teeth, module 0.5
48T · m2
Same 48 teeth, module 2

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