Xem Studiomeasured geometryLibrary › Hardware › Built-up crank webs for Ø8 shafts and Ø6 crank pins
crank web Ø56 × 8
crank web Ø56 × 8: Ø8 shaft hole, Ø6 pin hole at r 18 (both press), two Ø11 lightening holes beside the pin (counterweight)
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
| part | crank-web-56x8-r18 |
|---|---|
| thickness | 8 |
| pin radius | 18 |
Let your AI pull this. Add
Set it up →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.From the full sheet
Built-up crank webs for Ø8 shafts and Ø6 crank pins (two-throw cranks at 90°): every size, notes, mating features and sources. How do I build a two-throw crankshaft with ball-bearing con-rods?