Library › Hardware › Spur gears, module 3: 10 to 80 teeth

module 3, 56 teeth

module 3, 56 teeth: pitch Ø168, tip Ø174, root Ø160.5, face 24, bore Ø25

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

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

Dimensions

teeth56
pitch_dia_mm168.0
tip_dia_mm174.0
root_dia_mm160.5
face_mm24.0
bore_mm25
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From the full sheet

Spur gears, module 3: 10 to 80 teeth (20° involute): every size, notes, mating features and sources. What is the pitch diameter of a module 3 spur gear?

Other sizes