National 311189 Oil Seal — SKF/CR Equivalent
| SKF / CR Part No. | Catalog Source |
|---|---|
| 3645 | Verified in both SKF 457012 & National 430i catalogs |
| Dimension | Metric (mm) | Inch |
|---|---|---|
| Shaft diameter | 9.52 | 0.375 |
| Housing bore | 17.45 | 0.687 |
| Seal O.D. | 17.55 | 0.691 |
| Width | 3.96 | 0.156 |
Size 9.52 × 17.45 × 3.96 mm (0.375 × 0.687 × 0.156 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 311189 for stock & pricing. Factory direct, global shipping.