3-7/8" ID X 4-1/2" OD X 5/16" HT

Ordered as L31203875, this is a Polyurethane (AU/EU) Standard Profile Loaded Lip Seal with a 3-7/8 inch inside diameter, a 4-1/2 inch outside diameter, and a height of 5/16 inch. The loaded lip seal uses a flexible sealing lip energized by system pressure to hold a tight seal on a moving rod or piston. The catalog record notes: Loaded Lip Seal (standard) Urethane.

Polyurethane (AU/EU) is specified here for long wear life in dynamic reciprocating service and outstanding extrusion resistance at elevated pressure. Expect good resistance to extrusion under high pressure, impact and shock loading, and abrasion and wear.

Common environments for this compound include hydraulic cylinders, mining and heavy equipment, and press and forming equipment.

Order part number L31203875, sold individually. As always, verify media compatibility and operating conditions against the requirements of your specific application. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.