National 3618 Oil Seal — SKF/CR Equivalent
| SKF / CR Part No. | Catalog Source |
|---|---|
| 18100 | Verified in both SKF 457012 & National 430i catalogs |
| Dimension | Metric (mm) | Inch |
|---|---|---|
| Shaft diameter | 46.02 | 1.812 |
| Housing bore | 66.62 | 2.623 |
| Seal O.D. | 66.73 | 2.627 |
| Width | 15.62 | 0.615 |
Size 46.02 × 66.62 × 15.62 mm (1.812 × 2.623 × 0.615 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 3618 for stock & pricing. Factory direct, global shipping.