U70240 is an AS568-240 clear Polyurethane (AU/EU) 70 Shore A O-Ring supplied with an inside diameter of 3.734 in (94.84 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 4.012 in (101.9 mm). In service, this o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
Polyurethane (AU/EU) is specified here for long wear life in dynamic reciprocating service and exceptional abrasion resistance. Expect good resistance to abrasion and wear, extrusion under high pressure, and petroleum oils. Service temperature is rated from -65°F (-53.9°C) through 200°F (93.3°C).
Maintenance and OEM teams specify it across construction machinery, high-pressure fluid power, and press and forming equipment.
Reference part number U70240 when ordering; the item is sold individually. Review your operating media and conditions against this specification before installation. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.
description 568-240 URETHANE 70 DURO ORINGS
uf_description2 3.734" (94.84MM) ID X .139" (3.53MM)
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 3.734 inch (94.84 mm)
Actual_OD 4.012 inch (101.9 mm)
ProductCode Description O-Rings - Bulk - Premium