National 3783 Oil Seal — SKF/CR Equivalent
| SKF / CR Part No. | Catalog Source |
|---|---|
| 28656 | Verified in both SKF 457012 & National 430i catalogs |
| Dimension | Metric (mm) | Inch |
|---|---|---|
| Shaft diameter | 73.02 | 2.875 |
| Housing bore | 92.02 | 3.623 |
| Seal O.D. | 92.15 | 3.628 |
| Width | 12.7 | 0.5 |
Size 73.02 × 92.02 × 12.7 mm (2.875 × 3.623 × 0.5 in), lip material code H — 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 3783 for stock & pricing. Factory direct, global shipping.