Part number U70261 is an AS568-261 clear Polyurethane (AU/EU) 70 Shore A O-Ring with an inside diameter of 6.734 in (171.04 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 7.012 in (178.1 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.
The material holds up against ozone, impact and shock loading, and abrasion and wear. Polyurethane (AU/EU) offers very high tensile strength and load capacity, outstanding extrusion resistance at elevated pressure. Rated temperature range runs from -65°F (-53.9°C) to 200°F (93.3°C) in continuous service. It should not be specified for service in hot water and steam or acids and bases.
You will find this material specified across hydraulic cylinders, high-pressure fluid power, and mining and heavy equipment.
Reference part number U70261 when ordering; the item is sold individually. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
Description 568-261 URETHANE 70 DURO ORINGS
Actual Cross Section 0.139 inch (3.53 mm)
Actual Inside Diameter 6.734 inch (171.04 mm)
Actual Outside Diameter 7.012 inch (178.1 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Premium