Ordered as U90331, this is an AS568-331 clear Polyurethane (AU/EU) 90 Shore A O-Ring supplied with an inside diameter of 2.225 in (56.52 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 2.645 in (67.18 mm). The o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
Expect good resistance to extrusion under high pressure, impact and shock loading, and petroleum oils. Polyurethane (AU/EU) is specified for toughness that outperforms conventional rubber compounds and exceptional abrasion resistance. Service temperature is rated from -65°F (-53.9°C) through 200°F (93.3°C).
You will find this material specified across mining and heavy equipment, hydraulic cylinders, and off-highway equipment.
Stocked as U90331 and sold individually. Nominal inside diameter is listed as 2 1/4 inch. Review your operating media and conditions against this specification before installation.
description *568-331 URETHANE 90 ORINGS -PR GRADE
uf_description2 2.225" (56.52MM) ID X .210" (5.33MM)
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 2.225 inch (56.52 mm)
Actual_OD 2.645 inch (67.18 mm)
ProductCode Description O-Rings - Bulk - Premium