National 5857 Oil Seal — SKF/CR Equivalent
| SKF / CR Part No. | Catalog Source |
|---|---|
| 9844 | Verified in both SKF 457012 & National 430i catalogs |
| 9859 | Verified in both SKF 457012 & National 430i catalogs |
| Dimension | Metric (mm) | Inch |
|---|---|---|
| Shaft diameter | 25.4 | 1 |
| Housing bore | 38.07 | 1.499 |
| Seal O.D. | 38.18 | 1.503 |
| Width | 7.92 | 0.312 |
Size 25.4 × 38.07 × 7.92 mm (1 × 1.499 × 0.312 in), lip material code F — 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 5857 for stock & pricing. Factory direct, global shipping.