National 3173 Oil Seal — SKF/CR Equivalent
| SKF / CR Part No. | Catalog Source |
|---|---|
| 19236 | Verified in both SKF 457012 & National 430i catalogs |
| 19237 | Verified in both SKF 457012 & National 430i catalogs |
| 19244 | Verified in both SKF 457012 & National 430i catalogs |
| Dimension | Metric (mm) | Inch |
|---|---|---|
| Shaft diameter | 49.2 | 1.937 |
| Housing bore | 68.22 | 2.686 |
| Seal O.D. | 68.33 | 2.69 |
| Width | 7.72 | 0.304 |
Size 49.2 × 68.22 × 7.72 mm (1.937 × 2.686 × 0.304 in), lip material code N — 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 3173 for stock & pricing. Factory direct, global shipping.