More Information for NATIONAL 35X70X8 National Oil Seals feature the following: A proprietary RediCoat sealant to eliminate bore leakage. Patented lay-down sealing lip design ensures long life in spite of extreme temperatures, shaft imperfections, shaft/bore misalignment and excessive shaft thrust or movement. Material Nitrile Shaft Size 1.378" Housing Bore 2.756" Outer Diameter 2.764" Width 0.315"

NATIONAL Warranty Information 12 months