568-257 URETHANE 90 ORINGS -PREM GRADE

This o-ring is supplied in AS568-257 clear Polyurethane (AU/EU) 90 Shore A built to an inside diameter of 5.859 in (148.82 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 6.137 in (155.88 mm), catalogued under part number U90257. It delivers dependable bidirectional sealing in a compact groove envelope.

Polyurethane (AU/EU) is specified here for outstanding extrusion resistance at elevated pressure and exceptional abrasion resistance. The material holds up against petroleum oils, abrasion and wear, and extrusion under high pressure. Continuous operating temperature is published at -65°F (-53.9°C) to 200°F (93.3°C).

It sees regular use in construction machinery, press and forming equipment, and mining and heavy equipment.

This item is sold individually under part number U90257. Nominal inside diameter is listed as 5 7/8 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application.