National 370173A Oil Seal — SKF/CR Equivalent
| SKF / CR Part No. | Catalog Source |
|---|---|
| 43761 | Verified in both SKF 457012 & National 430i catalogs |
| 48000 | Verified in both SKF 457012 & National 430i catalogs |
| 48002 | Verified in both SKF 457012 & National 430i catalogs |
| Dimension | Metric (mm) | Inch |
|---|---|---|
| Shaft diameter | 121.03 | 4.765 |
| Housing bore | 158.75 | 6.25 |
| Seal O.D. | 158.93 | 6.257 |
| Width | 26.67 | 1.05 |
Size 121.03 × 158.75 × 26.67 mm (4.765 × 6.25 × 1.05 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 370173A for stock & pricing. Factory direct, global shipping.