Precision Seals — Factory Direct | ✈️ Global Shipping

National 4099 Oil Seal — SKF/CR Equivalent

SKF / CR Part No.Catalog Source
16599Verified in both SKF 457012 & National 430i catalogs
DimensionMetric (mm)Inch
Shaft diameter42.491.673
Housing bore54.912.162
Seal O.D.55.022.166
Width7.240.285

Size 42.49 × 54.91 × 7.24 mm (1.673 × 2.162 × 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 4099 for stock & pricing. Factory direct, global shipping.