National Seal 370001A Oil Seal

National Seal 370001A 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 Oil Seal 370001A
• Shaft - 3.500 in, 88.900 mm
• Housing Bore - 4.842 in, 122.990 mm
• Outside Diameter - 4.855 in, 123.140 mm
• Width - 0.925 in, 23.500 mm
• Material: Nitrile
• Type 11
• Footnote: Dynamic Edge Hand Installable
• Series: 370000
• Installation Tool:  RD307