The U70277 is an AS568-277 clear Polyurethane (AU/EU) 70 Shore A O-Ring measuring an inside diameter of 11.484 in (291.69 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 11.762 in (298.75 mm). This o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
Polyurethane (AU/EU) is specified here for very high tensile strength and load capacity, exceptional abrasion resistance. The compound resists abrasion and wear, petroleum oils, and impact and shock loading. Rated temperature range runs from -65°F (-53.9°C) to 200°F (93.3°C) in continuous service. Verify compatibility before use with ketones or prolonged humidity at elevated temperature.
Typical settings include construction machinery, mining and heavy equipment, and off-highway equipment.
Reference part number U70277 when ordering; the item is sold individually. Nominal inside diameter is listed as 11 1/2 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.
description 568-277 URETHANE 70 DURO ORINGS
uf_description2 11.484" (291.69MM) ID X .139" (3.53MM
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 11.484 inch (291.69 mm)
Actual_OD 11.762 inch (298.75 mm)
ProductCode Description O-Rings - Bulk - Premium