APG stocks the U90153, an AS568-153 clear Polyurethane (AU/EU) 90 Shore A O-Ring with an inside diameter of 3.487 in (88.57 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 3.693 in (93.8 mm). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
Expect good resistance to ozone, abrasion and wear, and petroleum oils. Polyurethane (AU/EU) delivers very high tensile strength and load capacity, long wear life in dynamic reciprocating service. The material carries a published service range of -65°F (-53.9°C) to 200°F (93.3°C).
It sees regular use in press and forming equipment, off-highway equipment, and high-pressure fluid power.
Order part number U90153, sold individually. Nominal inside diameter is listed as 3 1/2 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. For a size or compound outside the standard catalog, APG can quote from a print or sample.
description 568-153 URETHANE 90 ORINGS -PREM GRADE
uf_description2 3.487" (88.57MM) ID X .103" (2.62MM)
Actual_CS 0.103 inch (2.62 mm)
Actual_ID 3.487 inch (88.57 mm)
Actual_OD 3.693 inch (93.8 mm)
ProductCode Description O-Rings - Bulk - Premium