568-174 URETHANE 70 DURO ORINGS

This o-ring is supplied in AS568-174 clear Polyurethane (AU/EU) 70 Shore A supplied with an inside diameter of 8.737 in (221.92 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 8.943 in (227.15 mm), catalogued under part number U70174. It delivers dependable bidirectional sealing in a compact groove envelope.

Expect good resistance to petroleum oils, extrusion under high pressure, and ozone. That behavior comes from the compound itself: Polyurethane (AU/EU) delivers toughness that outperforms conventional rubber compounds and exceptional abrasion resistance. The material carries a published service range of -65°F (-53.9°C) to 200°F (93.3°C). Applications involving acids and bases or prolonged humidity at elevated temperature call for a different compound.

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

Reference part number U70174 when ordering; the item is sold individually. Nominal inside diameter is listed as 8 3/4 inch. Review your operating media and conditions against this specification before installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.