National 451948 Oil Seal — SKF/CR Equivalent
| SKF / CR Part No. | Catalog Source |
|---|---|
| 20554 | Verified in both SKF 457012 & National 430i catalogs |
| 550085 | Verified in both SKF 457012 & National 430i catalogs |
| Dimension | Metric (mm) | Inch |
|---|---|---|
| Shaft diameter | 52.37 | 2.062 |
| Housing bore | 73.02 | 2.875 |
| Seal O.D. | 73.13 | 2.879 |
| Width | 11.1 | 0.437 |
Size 52.37 × 73.02 × 11.1 mm (2.062 × 2.875 × 0.437 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 451948 for stock & pricing. Factory direct, global shipping.