| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| TIMKEN | FNR12R | Direct Cross Interchange | 1 |
| Fafnir Bearing | LCJ12 | Indirect Cross Interchange | 1 |
| POLLARD | SF12EC | Indirect Cross Interchange | 1 |
| Boston Gear | SF12 | Indirect Cross Interchange | 1 |
| Boston Gear | 3FX12 | Indirect Cross Interchange | 1 |
| Boston Gear | 3F12 | Indirect Cross Interchange | 1 |
| MRC | UT12 | Indirect Cross Interchange | 1 |
| RHP | SF12EC | Indirect Cross Interchange | 1 |