National 4638N Oil Seal — SKF/CR Equivalent
| SKF / CR Part No. | Catalog Source |
|---|---|
| 13608 | Verified in both SKF 457012 & National 430i catalogs |
| Dimension | Metric (mm) | Inch |
|---|---|---|
| Shaft diameter | 34.92 | 1.375 |
| Housing bore | 50.34 | 1.982 |
| Seal O.D. | 50.52 | 1.989 |
| Width | 4.88 | 0.192 |
Size 34.92 × 50.34 × 4.88 mm (1.375 × 1.982 × 0.192 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 4638N for stock & pricing. Factory direct, global shipping.