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

Ordered as L18701375312B, this is a Polyurethane (AU/EU) Type B Loaded Lip Seal measuring a 1-3/8 inch inside diameter, a 1-3/4 inch outside diameter, and a height of 5/16 inch. The 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 specified here for outstanding extrusion resistance at elevated pressure and long wear life in dynamic reciprocating service. This material stands up to petroleum oils, extrusion under high pressure, and ozone. It should not be specified for service in ketones or prolonged humidity at elevated temperature.

Typical settings include mining and heavy equipment, construction machinery, and off-highway equipment.

Reference part number L18701375312B when ordering; the item is sold individually. Unit weight is approximately 5.8603 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.