455145 seal Fits NationalOne New Aftermarket Replacement 455145 Oil Seal National This aftermarket replacement oil seal is a direct substitute for National (Timken) seal 455145. National oil seals are radial shaft seals used across a wide range of industrial, agricultural, and construction equipment applications to retain lubricant and exclude contaminants from rotating shaft assemblies. The PVE suffix on the item number (455145 PVE) indicates a specific lip material