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National 251511 Oil Seal — SKF/CR Equivalent

SKF / CR Part No.Catalog Source
12325Verified in both SKF 457012 & National 430i catalogs
12329Verified in both SKF 457012 & National 430i catalogs
DimensionMetric (mm)Inch
Shaft diameter31.751.25
Housing bore41.271.625
Seal O.D.41.41.63
Width4.780.188

Size 31.75 × 41.27 × 4.78 mm (1.25 × 1.625 × 0.188 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 251511 for stock & pricing. Factory direct, global shipping.