National 4898 Oil Seal — SKF/CR Equivalent
| SKF / CR Part No. | Catalog Source |
|---|---|
| 20400 | Verified in both SKF 457012 & National 430i catalogs |
| 20431 | Verified in both SKF 457012 & National 430i catalogs |
| VKBA3309 | Verified in both SKF 457012 & National 430i catalogs |
| VKBA6845 | Verified in both SKF 457012 & National 430i catalogs |
| Dimension | Metric (mm) | Inch |
|---|---|---|
| Shaft diameter | 52 | 2.047 |
| Housing bore | 66 | 2.598 |
| Seal O.D. | 66.12 | 2.603 |
| Width | 7.5 | 0.295 |
Size 52 × 66 × 7.5 mm (2.047 × 2.598 × 0.295 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 4898 for stock & pricing. Factory direct, global shipping.