National Seal 370023A Oil Seal

Nationalreg; Red 37 Series Oil Bath Seals - The Most Dependable Point Contact Seal in the Market from the The Leader in Wheel End TechnologyTM. Abrasion resistant nitrile with spring-loaded main lip for positive sealing with reduced shaft interference. Unitized construction provides greater structural integrity, easier installation and main lip protection. Unique rubber I.D. and O.D. includes patented SURE-LOCKreg; ribs that prevent shaft leaks and bore contamination. Dynamic EdgeTM design consists of an integral patent-pending sinusoidal wave that generates a dynamic pumping action to move environmental contaminants away from the seal

• National Seal 370023A
• Shaft: 3.875 in, 98.430 mm
• Housing Bore: 5.689 in, 144.530 mm
• Outside Diameter: 5.704 in, 144.930 mm
• Width: 0.880 in, 22.230 mm