National 3942 Oil Seal — SKF/CR Equivalent
| SKF / CR Part No. | Catalog Source |
|---|---|
| 24886 | Verified in both SKF 457012 & National 430i catalogs |
| Dimension | Metric (mm) | Inch |
|---|---|---|
| Shaft diameter | 63.5 | 2.5 |
| Housing bore | 81.94 | 3.226 |
| Seal O.D. | 82.07 | 3.231 |
| Width | 4.83 | 0.19 |
Size 63.5 × 81.94 × 4.83 mm (2.5 × 3.226 × 0.19 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 3942 for stock & pricing. Factory direct, global shipping.