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

Ordered as L18704125375, this is a Polyurethane (AU/EU) Deep Profile Loaded Lip Seal supplied with a 4-1/8 in inside diameter, a 4-1/2 in outside diameter, and a height of 3/8 in. The 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 (deep) Urethane.

Expect good resistance to extrusion under high pressure, petroleum oils, and impact and shock loading. That behavior comes from the compound itself: Polyurethane (AU/EU) is widely chosen for outstanding extrusion resistance at elevated pressure and exceptional abrasion resistance.

You will find this material specified across construction machinery, hydraulic cylinders, and press and forming equipment.

Order part number L18704125375, sold individually. Application requirements vary, so validate compatibility with your process conditions prior to installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.