Library › Hardware › Bolt-on counterweight arcs R15, R20 and R25

bolt-on-counterweight-r25

bolt-on counterweight arc, outer R25 / inner R17, 120°, 6 thick, 3 × M3 clearance (Ø3.2) at R21; add to any flywheel or disc opposite the pin

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

filebolt-on-counterweight-r25
outer R25
inner R17
arc120°
thickness6
holes3 × Ø3.2 at R21
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From the full sheet

Bolt-on counterweight arcs R15, R20 and R25: every size, notes, mating features and sources. What does a bolt-on counterweight for a flywheel look like?

Other sizes