The U70442 is an AS568-442 clear Polyurethane (AU/EU) 70 Shore A O-Ring supplied with an inside diameter of 7.225 in (183.52 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 7.775 in (197.49 mm). This o-ring delivers dependable bidirectional sealing in a compact groove envelope.
It resists impact and shock loading, petroleum oils, and ozone. That behavior comes from the compound itself: Polyurethane (AU/EU) is specified for very high tensile strength and load capacity, exceptional abrasion resistance. Rated temperature range runs from -65°F (-53.9°C) to 200°F (93.3°C) in continuous service.
Common environments for this compound include mining and heavy equipment, press and forming equipment, and hydraulic cylinders.
Reference part number U70442 when ordering; the item is sold individually. As always, verify media compatibility and operating conditions against the requirements of your specific application.
Description 568-442 URETHANE 70 DURO ORINGS
Actual Cross Section 0.275 inch (6.99 mm)
Actual Inside Diameter 7.225 inch (183.52 mm)
Actual Outside Diameter 7.775 inch (197.49 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Premium