Ball-bearing is a trading item in 80 Days acquired with the right conversation choices when travelling from Muscat to Karachi.
| Seed | Buy in | Sell in | £ |
|---|---|---|---|
| 3 | Pirate Ship | Lahore | 370 |
| 5 | Pirate Ship | Bangalore | 480 |
| 6 | Pirate Ship | ||
| 7 | Pirate Ship | Waltair | 540 |
| 8 | Pirate Ship | Omsk | 480 |