National 2503N Oil Seal — SKF/CR Equivalent
| SKF / CR Part No. | Catalog Source |
|---|---|
| 10930 | Verified in both SKF 457012 & National 430i catalogs |
| Dimension | Metric (mm) | Inch |
|---|---|---|
| Shaft diameter | 27.94 | 1.1 |
| Housing bore | 39.93 | 1.572 |
| Seal O.D. | 40.08 | 1.578 |
| Width | 7.82 | 0.308 |
Size 27.94 × 39.93 × 7.82 mm (1.1 × 1.572 × 0.308 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 2503N for stock & pricing. Factory direct, global shipping.