The U70272 is an AS568-272 clear Polyurethane (AU/EU) 70 Shore A O-Ring built to an inside diameter of 9.484 in (240.89 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 9.762 in (247.95 mm). This o-ring remains the most cost-effective sealing element available for pressurized assemblies.
Polyurethane (AU/EU) is specified here for outstanding extrusion resistance at elevated pressure and long wear life in dynamic reciprocating service. It resists ozone, petroleum oils, and abrasion and wear. Rated temperature range runs from -65°F (-53.9°C) to 200°F (93.3°C) in continuous service. Verify compatibility before use with ketones or acids and bases.
It sees regular use in off-highway equipment, hydraulic cylinders, and mining and heavy equipment.
This item is sold individually under part number U70272. Nominal inside diameter is listed as 9 1/2 inch. Check the compound against your process media, pressure and temperature before committing to a design.
description 568-272 URETHANE 70 DURO ORINGS
uf_description2 9.484" (240.89MM) ID X .139" (3.53MM)
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 9.484 inch (240.89 mm)
Actual_OD 9.762 inch (247.95 mm)
ProductCode Description O-Rings - Bulk - Premium