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Plain flat-belt pulley Ø40 × 100 face, Ø8 bore (no flanges)
What is a plain Ø40 flat-belt pulley for? · Modern device · basis: Xem Studio design following Brown's figure (1868); true size, no printing allowance
Also called: plain pulley, flat belt pulley, pulley without flanges, polea plana sin pestañas, Flachriemenscheibe ohne Bord
Exact dimensions. True size, with no printing tolerance added.
- length
- 40.0 mm
- width
- 40.0 mm
- height
- 100.0 mm
Notes
- Ø40 × 100 mm straight face, Ø8 bore, no flanges: the face is exactly the belt's width, so a twisted belt can leave it at an angle (quarter-turn and guide-pulley drives) without riding over a flange.
- Xem Studio design following Brown's figure; true size, no printing allowance (apply your own to the mating features).
Plain flat-belt pulley Ø40 × 100 face, Ø8 bore size chart
| dimension | value |
|---|---|
| face | Ø40 × 100 mm |
| bore | Ø8 |
| flanges | none |
Where the files are
Other publishers' files are linked, not hosted. "verify" = check the license at the link before commercial use.
| Henry T. Brown (1868, public domain) | Five Hundred and Seven Mechanical Movements — scan on archive.org | web | Publisher's page; dimensions are facts |
| 507movements.com | Brown's movement No. 256: figure, his text and an animation | web | Publisher's page; dimensions are facts |
| Xem Studio | drawing | web | Publisher's page; dimensions are facts |
Free files
★ Free files 1 parts. Xem Studio design: free to use, print and sell things from; not to be republished as files. Xem Studio Design License. index.json
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.Plain text: sheet.txt · JSON: /api/geometry?object=plain-flat-pulley-40x100

Fits with
Questions
What is a plain Ø40 flat-belt pulley for?
Ø40 × 100 mm straight face, Ø8 bore, no flanges: the face is exactly the belt's width, so a twisted belt can leave it at an angle (quarter-turn and guide-pulley drives) without riding over a flange.

