National 40389S Oil Seal — SKF/CR Equivalent
| SKF / CR Part No. | Catalog Source |
|---|---|
| 19834 | Verified in both SKF 457012 & National 430i catalogs |
| Dimension | Metric (mm) | Inch |
|---|---|---|
| Shaft diameter | 50.8 | 2 |
| Housing bore | 69.85 | 2.75 |
| Seal O.D. | 69.95 | 2.754 |
| Width | 6.35 | 0.25 |
Size 50.8 × 69.85 × 6.35 mm (2 × 2.75 × 0.25 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 40389S for stock & pricing. Factory direct, global shipping.