National 3907 Oil Seal — SKF/CR Equivalent
| SKF / CR Part No. | Catalog Source |
|---|---|
| 11655 | Verified in both SKF 457012 & National 430i catalogs |
| 11690 | Verified in both SKF 457012 & National 430i catalogs |
| Dimension | Metric (mm) | Inch |
|---|---|---|
| Shaft diameter | 30 | 1.181 |
| Housing bore | 58 | 2.283 |
| Seal O.D. | 58.09 | 2.287 |
| Width | 9.5 | 0.374 |
Size 30 × 58 × 9.5 mm (1.181 × 2.283 × 0.374 in), lip material code N — from the National 430i catalog. Always confirm shaft diameter, bore diameter and width against your application before ordering.
Verify dimensions before ordering. Interchange numbers mean the same shaft/bore application, but lip material, spring design or width can differ between brands. Metric sizes can be checked on our oil seal size chart.
Need this seal? Email sales@sealstocks.com with part number National 3907 for stock & pricing. Factory direct, global shipping.