Precision Seals — Factory Direct | ✈️ Global Shipping

National 4175 Oil Seal — SKF/CR Equivalent

SKF / CR Part No.Catalog Source
15724Verified in both SKF 457012 & National 430i catalogs
15802Verified in both SKF 457012 & National 430i catalogs
VKBA3255Verified in both SKF 457012 & National 430i catalogs
VKBA3286Verified in both SKF 457012 & National 430i catalogs
VKBA944Verified in both SKF 457012 & National 430i catalogs
DimensionMetric (mm)Inch
Shaft diameter401.575
Housing bore522.047
Seal O.D.52.222.056
Width90.354

Size 40 × 52 × 9 mm (1.575 × 2.047 × 0.354 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 4175 for stock & pricing. Factory direct, global shipping.