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

APG stocks the L25003750375B, a Polyurethane (AU/EU) Type B Loaded Lip Seal supplied with a 3-3/4 inch inside diameter, a 4-1/4 inch outside diameter, and a height of 3/8 inch. A loaded lip seal combines a preloaded lip with pressure activation for consistent dynamic sealing. Source specification: Loaded Lip Seal (type B) Urethane.

Polyurethane (AU/EU) is widely chosen for outstanding extrusion resistance at elevated pressure and exceptional abrasion resistance. This material stands up to petroleum oils, ozone, and extrusion under high pressure.

Typical settings include construction machinery, high-pressure fluid power, and hydraulic cylinders.

This item is sold individually under part number L25003750375B. Unit weight is approximately 23.159 g. Review your operating media and conditions against this specification before installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.