568-270 URETHANE 90 ORINGS -PREM GRADE

Ordered as U90270, this is an AS568-270 clear Polyurethane (AU/EU) 90 Shore A O-Ring measuring an inside diameter of 8.984 in (228.19 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 9.262 in (235.25 mm). The o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Polyurethane (AU/EU) is specified here for exceptional abrasion resistance and long wear life in dynamic reciprocating service. The material holds up against abrasion and wear, extrusion under high pressure, and petroleum oils. Published continuous service range is -65°F (-53.9°C) to 200°F (93.3°C). It should not be specified for service in hot water and steam or prolonged humidity at elevated temperature.

You will find this material specified across hydraulic cylinders, high-pressure fluid power, and press and forming equipment.

This item is sold individually under part number U90270. Nominal inside diameter is listed as 9 inch. Review your operating media and conditions against this specification before installation.