*568-129 URETHANE 90 ORINGS-PR GRADE

U90129 is an AS568-129 clear Polyurethane (AU/EU) 90 Shore A O-Ring with an inside diameter of 1.549 in (39.34 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 1.755 in (44.58 mm). In service, this o-ring delivers dependable bidirectional sealing in a compact groove envelope.

The compound resists ozone, abrasion and wear, and impact and shock loading. Polyurethane (AU/EU) is valued for very high tensile strength and load capacity, long wear life in dynamic reciprocating service. Continuous operating temperature is published at -65°F (-53.9°C) to 200°F (93.3°C). It is not the right choice where prolonged humidity at elevated temperature or hot water and steam are present.

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

Reference part number U90129 when ordering; the item is sold individually. Nominal inside diameter is listed as 1 9/16 inch. Review your operating media and conditions against this specification before installation. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.