National 3747 Oil Seal — SKF/CR Equivalent
| SKF / CR Part No. | Catalog Source |
|---|---|
| 17053 | Verified in both SKF 457012 & National 430i catalogs |
| Dimension | Metric (mm) | Inch |
|---|---|---|
| Shaft diameter | 43.26 | 1.703 |
| Housing bore | 78.33 | 3.084 |
| Seal O.D. | 78.49 | 3.09 |
| Width | 12.7 | 0.5 |
Size 43.26 × 78.33 × 12.7 mm (1.703 × 3.084 × 0.5 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 3747 for stock & pricing. Factory direct, global shipping.