The National 370025A Wheel Seal is engineered for trailer axle applications, providing reliable sealing performance. Features a Multi-Lip with Spring Design, ehancing sealing efficiency and durability. Incorporates a sinusoidal wave pattern that generates a dynamic pumping action to move contaminants away from the seal. Provides greater structural integrity, easier installation, and main lip protection and Abrasion-Resistant Nitril spring-loaded main lip for positive sealing with reduced shaft interference.
