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National 450431 Oil Seal — SKF/CR Equivalent

SKF / CR Part No.Catalog Source
8017Verified in both SKF 457012 & National 430i catalogs
8019Verified in both SKF 457012 & National 430i catalogs
DimensionMetric (mm)Inch
Shaft diameter20.620.812
Housing bore31.751.25
Seal O.D.31.851.254
Width9.520.375

Size 20.62 × 31.75 × 9.52 mm (0.812 × 1.25 × 0.375 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 450431 for stock & pricing. Factory direct, global shipping.