National 5756 Oil Seal — SKF/CR Equivalent
| SKF / CR Part No. | Catalog Source |
|---|---|
| 20669 | Verified in both SKF 457012 & National 430i catalogs |
| Dimension | Metric (mm) | Inch |
|---|---|---|
| Shaft diameter | 52.37 | 2.062 |
| Housing bore | 80.04 | 3.151 |
| Seal O.D. | 80.16 | 3.156 |
| Width | 6.1 | 0.24 |
Size 52.37 × 80.04 × 6.1 mm (2.062 × 3.151 × 0.24 in), lip material code F — 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 5756 for stock & pricing. Factory direct, global shipping.