National 6879H Oil Seal — SKF/CR Equivalent
| SKF / CR Part No. | Catalog Source |
|---|---|
| 21103 | Verified in both SKF 457012 & National 430i catalogs |
| Dimension | Metric (mm) | Inch |
|---|---|---|
| Shaft diameter | 53.97 | 2.125 |
| Housing bore | 73.02 | 2.875 |
| Seal O.D. | 73.13 | 2.879 |
| Width | 9.52 | 0.375 |
Size 53.97 × 73.02 × 9.52 mm (2.125 × 2.875 × 0.375 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 6879H for stock & pricing. Factory direct, global shipping.