National 471833 Oil Seal — SKF/CR Equivalent
| SKF / CR Part No. | Catalog Source |
|---|---|
| 12637 | Verified in both SKF 457012 & National 430i catalogs |
| 12640 | Verified in both SKF 457012 & National 430i catalogs |
| Dimension | Metric (mm) | Inch |
|---|---|---|
| Shaft diameter | 31.75 | 1.25 |
| Housing bore | 63.55 | 2.502 |
| Seal O.D. | 63.65 | 2.506 |
| Width | 9.52 | 0.375 |
Size 31.75 × 63.55 × 9.52 mm (1.25 × 2.502 × 0.375 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 471833 for stock & pricing. Factory direct, global shipping.