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More Information for NATIONAL 18X40X7
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.
Shaft Size0.709"
Housing Bore1.575"
Outer Diameter1.583"

NATIONAL Warranty Information
12 months