| Sikorsky Aircraft Corporation | The Timken Company |
| Part No | Manufacturer | Part Type | NSN | QTY | RFQ |
|---|---|---|---|---|---|
| 453XV-2-397 | the timken company | cup, tapered roller bearing | 3110-01-136-4139 | Avl | RFQ |
| SB3218-201 | the timken company | cup, tapered roller bearing | 3110-01-136-4139 | Avl | RFQ |
| SB3218-201 | sikorsky aircraft corporation | cup, tapered roller bearing | 3110-01-136-4139 | Avl | RFQ |