National 1979 Oil Seal — SKF/CR Equivalent
| SKF / CR Part No. | Catalog Source |
|---|---|
| 17782 | Verified in both SKF 457012 & National 430i catalogs |
| 17783 | Verified in both SKF 457012 & National 430i catalogs |
| Dimension | Metric (mm) | Inch |
|---|---|---|
| Shaft diameter | 45 | 1.772 |
| Housing bore | 75 | 2.953 |
| Seal O.D. | 75.1 | 2.957 |
| Width | 12 | 0.472 |
Size 45 × 75 × 12 mm (1.772 × 2.953 × 0.472 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 1979 for stock & pricing. Factory direct, global shipping.