5-1/2" ID X 6-1/8" OD X 5/8" HT

Part number L31205500625B is a Polyurethane (AU/EU) Type B Loaded Lip Seal built to a 5-1/2 inch inside diameter, a 6-1/8 inch outside diameter, and a height of 5/8 inch. A loaded lip seal uses a flexible sealing lip energized by system pressure to hold a tight seal on a moving rod or piston. Supplementary detail from the product record: Loaded Lip Seal (type B) Urethane.

As a material, Polyurethane (AU/EU) is widely chosen for long wear life in dynamic reciprocating service and toughness that outperforms conventional rubber compounds. The material holds up against petroleum oils, impact and shock loading, and ozone. Verify compatibility before use with prolonged humidity at elevated temperature or acids and bases.

It sees regular use in off-highway equipment, high-pressure fluid power, and mining and heavy equipment.

Stocked as L31205500625B and sold individually. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.