Library › Hardware › Two-throw crank webs 90° apart on a Ø3 shaft

hub web

hub web: Ø10 × 6 hub with Ø3 shaft bore and M3 grub hole (Ø2.5), Ø20 × 4 disc with the Ø3 crank-pin hole at r 6

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

fileinner-crank-web-hub-r6
hub_mmØ10 × 6, Ø3 bore, M3 grub
disc_mmØ20 × 4
pins1 at r 6
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From the full sheet

Two-throw crank webs 90° apart on a Ø3 shaft: every size, notes, mating features and sources. What two-throw crank fits a 3 mm shaft?

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