Precision Seals — Factory Direct | ✈️ Global Shipping

National 5109 Oil Seal — SKF/CR Equivalent

SKF / CR Part No.Catalog Source
24888Verified in both SKF 457012 & National 430i catalogs
DimensionMetric (mm)Inch
Shaft diameter63.42.496
Housing bore82.423.245
Seal O.D.82.53.248
Width12.320.485

Size 63.4 × 82.42 × 12.32 mm (2.496 × 3.245 × 0.485 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 5109 for stock & pricing. Factory direct, global shipping.