National 4189H Oil Seal — SKF/CR Equivalent
| SKF / CR Part No. | Catalog Source |
|---|---|
| 19730 | Verified in both SKF 457012 & National 430i catalogs |
| Dimension | Metric (mm) | Inch |
|---|---|---|
| Shaft diameter | 50.7 | 1.996 |
| Housing bore | 79.02 | 3.111 |
| Seal O.D. | 79.25 | 3.12 |
| Width | 8.74 | 0.344 |
Size 50.7 × 79.02 × 8.74 mm (1.996 × 3.111 × 0.344 in), lip material code V — 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 4189H for stock & pricing. Factory direct, global shipping.