| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| MRC | 1988S | Direct Cross Interchange | 8 |
| SKF | 61988 | Direct Cross Interchange | 8 |
| NTN | 6988 | Direct Cross Interchange | 8 |
| NSK-RHP | 6988 | Direct Cross Interchange | 8 |
| SCHEERER | 61988M | Direct Cross Interchange | 8 |
| ZWZ | 61988F3 | Direct Cross Interchange | 8 |