This o-ring is supplied in AS568-445 clear Polyurethane (AU/EU) 70 Shore A supplied with an inside diameter of 7.975 in (202.57 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 8.525 in (216.54 mm), catalogued under part number U70445. It compresses into its gland to block fluid or gas migration across a joint.
As a material, Polyurethane (AU/EU) is widely chosen for toughness that outperforms conventional rubber compounds, very high tensile strength and load capacity. The material holds up against ozone, petroleum oils, and abrasion and wear. Continuous operating temperature is published at -65°F (-53.9°C) to 200°F (93.3°C).
Typical settings include mining and heavy equipment, hydraulic cylinders, and construction machinery.
Reference part number U70445 when ordering; the item is sold individually. Nominal inside diameter is listed as 8 inch. Review your operating media and conditions against this specification before installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
description 568-445 URETHANE 70 DURO ORINGS
uf_description2 7.975" (202.57MM) ID X .275" (6.99MM)
Actual_CS 0.275 inch (6.99 mm)
Actual_ID 7.975 inch (202.57 mm)
Actual_OD 8.525 inch (216.54 mm)
ProductCode Description O-Rings - Bulk - Premium