National 3667 Oil Seal — SKF/CR Equivalent
| SKF / CR Part No. | Catalog Source |
|---|---|
| 6720 | Verified in both SKF 457012 & National 430i catalogs |
| Dimension | Metric (mm) | Inch |
|---|---|---|
| Shaft diameter | 17.53 | 0.69 |
| Housing bore | 25.32 | 0.997 |
| Seal O.D. | 25.48 | 1.003 |
| Width | 7.49 | 0.295 |
Size 17.53 × 25.32 × 7.49 mm (0.69 × 0.997 × 0.295 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 3667 for stock & pricing. Factory direct, global shipping.