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National 3677 Oil Seal — SKF/CR Equivalent

SKF / CR Part No.Catalog Source
14848Verified in both SKF 457012 & National 430i catalogs
DimensionMetric (mm)Inch
Shaft diameter38.11.5
Housing bore50.521.989
Seal O.D.50.621.993
Width7.240.285

Size 38.1 × 50.52 × 7.24 mm (1.5 × 1.989 × 0.285 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 3677 for stock & pricing. Factory direct, global shipping.