Xem Studiomeasured geometry

Library › Hardware › Spur gears, 48 diametral pitch (DP): 12 to 60 teeth, 14.5° and 20°…

48 DP spur gear, 32 teeth, 14.5° pressure angle

48 DP spur gear, 32 teeth, 14.5° pressure angle: pitch Ø16.933 mm (0.6667 in), outside Ø17.992 mm (0.7083 in), root Ø15.562 mm; face 4.76 mm (3/16 in) and bore Ø4.762 mm (3/16 in) are examples, the tooth form is the standard's; true involute flanks, no hub, keyway, chamfer or root fillet

Exact dimensions. True size, no tolerance added. Threads are plain cylinders at the major diameter.

STEP STL free, CC BY 4.0 (credit "Xem Studio")

Dimensions

teeth N32
pitch Ø = N / DP, in (mm)0.6667 (16.93)
outside Ø = (N + 2) / DP, in (mm)0.7083 (17.99)
root Ø 14.5°, in (mm)0.6127 (15.56)
root Ø 20°, in (mm)0.6127 (15.56)
base Ø 14.5°, in (mm)0.6454 (16.39)
base Ø 20°, in (mm)0.6265 (15.91)
example face, in3/16
example bore, in3/16
Let your AI pull this. Add https://xemstudio.com/mcp to Claude, ChatGPT, Cursor or any MCP client (free, no account, one minute) and it can look up exact sizes, mating fits and free STEP/STL from every chat.
Set it up →

From the full sheet

Spur gears, 48 diametral pitch (DP): 12 to 60 teeth, 14.5° and 20° involute, pitch / outside / root diameter and STEP/STL: every size, notes, mating features and sources. What is the pitch diameter, outside diameter and root diameter of a 48 DP spur gear, and how many teeth does it have?

Other sizes