National 3909 Oil Seal — SKF/CR Equivalent
| SKF / CR Part No. | Catalog Source |
|---|---|
| 36147 | Verified in both SKF 457012 & National 430i catalogs |
| Dimension | Metric (mm) | Inch |
|---|---|---|
| Shaft diameter | 92.07 | 3.625 |
| Housing bore | 107.7 | 4.24 |
| Seal O.D. | 108.1 | 4.256 |
| Width | 9.91 | 0.39 |
Size 92.07 × 107.7 × 9.91 mm (3.625 × 4.24 × 0.39 in), lip material code V — 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 3909 for stock & pricing. Factory direct, global shipping.