# Roller follower Ø10 on a Ø3 pin

> What is a roller follower?

- Category: Hardware › Mechanism parts
- Kind: Modern device
- Basis: Xem Studio drawing
- Page: https://xemstudio.com/objects/roller-follower-10/ · JSON: https://xemstudio.com/api/geometry?object=roller-follower-10 · Plain text: https://xemstudio.com/objects/roller-follower-10/sheet.txt
- License: dimension sheet CC BY 4.0 (Xem Studio); linked files under their publishers' licenses
- Use in every chat: add https://xemstudio.com/mcp as a connector (https://xemstudio.com/use-with-ai/)

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

## Notes

- Ø10 × 4 mm roller with a Ø3.2 bore: rides a cam profile with rolling instead of sliding contact.

## Sizes

| dimension | value |
|---|---|
| roller | Ø10 × 4 mm |
| bore | Ø3.2 |

## Where the files are

- Xem Studio: [drawing](https://xemstudio.com/objects/heart-cam-mechanism/) — web — Publisher's page; dimensions are facts

## Free STEP/STL (1 parts, CC BY 4.0, Xem Studio)

Index: https://xemstudio.com/files/hardware/roller-follower-10/index.json

- roller-follower-10: [STEP](https://xemstudio.com/files/hardware/roller-follower-10/roller-follower-10.step) · [STL](https://xemstudio.com/files/hardware/roller-follower-10/roller-follower-10.stl) — Roller

## Questions

**What is a roller follower?**

Ø10 × 4 mm roller with a Ø3.2 bore: rides a cam profile with rolling instead of sliding contact.

## Fits with

- [Heart cam with roller follower (uniform motion)](https://xemstudio.com/objects/heart-cam-mechanism/)