National 228020 Oil Seal — SKF/CR Equivalent
| SKF / CR Part No. | Catalog Source |
|---|---|
| 31515 | Verified in both SKF 457012 & National 430i catalogs |
| 31517 | Verified in both SKF 457012 & National 430i catalogs |
| 31521 | Verified in both SKF 457012 & National 430i catalogs |
| Dimension | Metric (mm) | Inch |
|---|---|---|
| Shaft diameter | 80 | 3.15 |
| Housing bore | 105 | 4.134 |
| Seal O.D. | 105.27 | 4.144 |
| Width | 14 | 0.551 |
Size 80 × 105 × 14 mm (3.15 × 4.134 × 0.551 in), lip material code H — 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 228020 for stock & pricing. Factory direct, global shipping.