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

APG stocks the L37503500625B, a Polyurethane (AU/EU) Type B Loaded Lip Seal with a 3-1/2 inch inside diameter, a 4-1/4 inch outside diameter, and a height of 5/8 inch. A loaded lip seal delivers low-friction dynamic sealing with strong resistance to pressure spikes. The catalog record notes: Loaded Lip Seal (type B) Urethane.

Polyurethane (AU/EU) is known for long wear life in dynamic reciprocating service and toughness that outperforms conventional rubber compounds. The compound resists petroleum oils, abrasion and wear, and ozone.

Typical settings include construction machinery, high-pressure fluid power, and off-highway equipment.

Order part number L37503500625B, sold individually. Unit weight is approximately 52.82 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. For a size or compound outside the standard catalog, APG can quote from a print or sample.