568-357 URETHANE 90 ORINGS -PREM GRADE

The U90357 is an AS568-357 clear Polyurethane (AU/EU) 90 Shore A O-Ring with an inside diameter of 5.475 in (139.07 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 5.895 in (149.73 mm). This o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

As a material, Polyurethane (AU/EU) is valued for very high tensile strength and load capacity, exceptional abrasion resistance. This material stands up to extrusion under high pressure, ozone, and petroleum oils. The material carries a published service range of -65°F (-53.9°C) to 200°F (93.3°C). It is not the right choice where ketones or prolonged humidity at elevated temperature are present.

You will find this material specified across press and forming equipment, off-highway equipment, and construction machinery.

Order part number U90357, sold individually. Nominal inside diameter is listed as 5 1/2 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application.