National 228520 Oil Seal — SKF/CR Equivalent
| SKF / CR Part No. | Catalog Source |
|---|---|
| 33425 | Verified in both SKF 457012 & National 430i catalogs |
| 33427 | Verified in both SKF 457012 & National 430i catalogs |
| 33429 | Verified in both SKF 457012 & National 430i catalogs |
| Dimension | Metric (mm) | Inch |
|---|---|---|
| Shaft diameter | 85 | 3.346 |
| Housing bore | 110 | 4.331 |
| Seal O.D. | 110.28 | 4.342 |
| Width | 12 | 0.472 |
Size 85 × 110 × 12 mm (3.346 × 4.331 × 0.472 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 228520 for stock & pricing. Factory direct, global shipping.