National 221620 Oil Seal — SKF/CR Equivalent
| SKF / CR Part No. | Catalog Source |
|---|---|
| 6420 | Verified in both SKF 457012 & National 430i catalogs |
| 6913 | Verified in both SKF 457012 & National 430i catalogs |
| Dimension | Metric (mm) | Inch |
|---|---|---|
| Shaft diameter | 16 | 0.63 |
| Housing bore | 30 | 1.181 |
| Seal O.D. | 30.23 | 1.19 |
| Width | 7 | 0.276 |
Size 16 × 30 × 7 mm (0.63 × 1.181 × 0.276 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 221620 for stock & pricing. Factory direct, global shipping.