# Flat belt 16 × 1.5 for two Ø40 pulleys at 130 mm (loop drawn)

> How long is this belt?

- Category: Mechanisms › Gears
- Kind: Modern device
- Basis: Xem Studio design following Brown's figure (1868); true size, no printing allowance
- Page: https://xemstudio.com/objects/flat-belt-16x1-5-pulleys-40-40-c130/ · JSON: https://xemstudio.com/api/geometry?object=flat-belt-16x1-5-pulleys-40-40-c130 · Plain text: https://xemstudio.com/objects/flat-belt-16x1-5-pulleys-40-40-c130/sheet.txt
- License: dimension sheet CC BY 4.0 (Xem Studio); files Xem Studio Design License (free to use and sell from, not to redistribute as files: https://xemstudio.com/license/)
- Use in every chat: add https://xemstudio.com/mcp as a connector (https://xemstudio.com/use-with-ai/)

## Overall (mm)

| length | width | height |
|---|---|---|
| 43.0 | 173.0 | 16.0 |

**Exact dimensions.** True size, with no printing tolerance added.

## Notes

- Open flat belt 16 × 1.5 mm on two Ø40 pulleys 130 mm apart: inside length 2C + πD = 385.66 mm.
- Xem Studio design following Brown's figure; true size, no printing allowance (apply your own to the mating features).

## Sizes

| dimension | value |
|---|---|
| width × thickness | 16 × 1.5 mm |
| inside length | 385.66 mm |

## Where the files are

- Henry T. Brown (1868, public domain): [Five Hundred and Seven Mechanical Movements — scan on archive.org](https://archive.org/details/fivehundredseven00browiala) — web — Publisher's page; dimensions are facts
- 507movements.com: [Brown's movement No. 7: figure, his text and an animation](https://507movements.com/mm_007.html) — web — Publisher's page; dimensions are facts
- Xem Studio: [drawing](https://xemstudio.com/objects/bevel-reversing-gear-fast-loose-pulleys-mechanism/) — web — Publisher's page; dimensions are facts

## Free STEP/STL (1 parts, Xem Studio Design License, Xem Studio)

Index: https://xemstudio.com/files/hardware/flat-belt-16x1-5-pulleys-40-40-c130/index.json · license: https://xemstudio.com/files/hardware/flat-belt-16x1-5-pulleys-40-40-c130/LICENSE.md

- flat-belt-16x1-5-pulleys-40-40-c130: [STEP](https://xemstudio.com/files/hardware/flat-belt-16x1-5-pulleys-40-40-c130/flat-belt-16x1-5-pulleys-40-40-c130.step) · [STL](https://xemstudio.com/files/hardware/flat-belt-16x1-5-pulleys-40-40-c130/flat-belt-16x1-5-pulleys-40-40-c130.stl) — belt loop in the XY plane, z 0..16

## Questions

**How long is this belt?**

Open flat belt 16 × 1.5 mm on two Ø40 pulleys 130 mm apart: inside length 2C + πD = 385.66 mm.

## Fits with

- [Fast and loose pulleys with bevel gears: start, stop or reverse an upright shaft](https://xemstudio.com/objects/bevel-reversing-gear-fast-loose-pulleys-mechanism/)