# Flat belt 16 × 1.5 for two Ø40 pulleys at 140 mm (loop drawn)

> How long is this belt?

- Category: Hardware › Mechanism parts
- 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-c140/ · JSON: https://xemstudio.com/api/geometry?object=flat-belt-16x1-5-pulleys-40-40-c140 · Plain text: https://xemstudio.com/objects/flat-belt-16x1-5-pulleys-40-40-c140/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 | 183.0 | 16.0 |

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

## Notes

- Open flat belt 16 × 1.5 mm on two Ø40 pulleys 140 mm apart: inside length 405.66 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 | 405.66 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. 59: figure, his text and an animation](https://507movements.com/mm_059.html) — web — Publisher's page; dimensions are facts
- Xem Studio: [drawing](https://xemstudio.com/objects/belt-shifted-gears-two-speed-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-c140/index.json · license: https://xemstudio.com/files/hardware/flat-belt-16x1-5-pulleys-40-40-c140/LICENSE.md

- flat-belt-16x1-5-pulleys-40-40-c140: [STEP](https://xemstudio.com/files/hardware/flat-belt-16x1-5-pulleys-40-40-c140/flat-belt-16x1-5-pulleys-40-40-c140.step) · [STL](https://xemstudio.com/files/hardware/flat-belt-16x1-5-pulleys-40-40-c140/flat-belt-16x1-5-pulleys-40-40-c140.stl) — belt loop, z 0..16

## Questions

**How long is this belt?**

Open flat belt 16 × 1.5 mm on two Ø40 pulleys 140 mm apart: inside length 405.66 mm.

## Fits with

- [Two speeds by shifting a belt between pulleys carrying gears (20 / 40 T)](https://xemstudio.com/objects/belt-shifted-gears-two-speed-mechanism/)