National 417507 Oil Seal — SKF/CR Equivalent
| SKF / CR Part No. | Catalog Source |
|---|---|
| 40077 | Verified in both SKF 457012 & National 430i catalogs |
| 40078 | Verified in both SKF 457012 & National 430i catalogs |
| Dimension | Metric (mm) | Inch |
|---|---|---|
| Shaft diameter | 101.6 | 4 |
| Housing bore | 142.9 | 5.626 |
| Seal O.D. | 143.05 | 5.632 |
| Width | 9.52 | 0.375 |
Size 101.6 × 142.9 × 9.52 mm (4 × 5.626 × 0.375 in), lip material code S — 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 417507 for stock & pricing. Factory direct, global shipping.