National 8312 Oil Seal — SKF/CR Equivalent
| SKF / CR Part No. | Catalog Source |
|---|---|
| 2-1400 | Verified in both SKF 457012 & National 430i catalogs |
| 21400 | Verified in both SKF 457012 & National 430i catalogs |
| Dimension | Metric (mm) | Inch |
|---|---|---|
| Shaft diameter | 54.25 | 2.136 |
| Housing bore | 73.76 | 2.904 |
| Seal O.D. | 73.91 | 2.91 |
| Width | 8.28 | 0.326 |
Size 54.25 × 73.76 × 8.28 mm (2.136 × 2.904 × 0.326 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 8312 for stock & pricing. Factory direct, global shipping.