E5.7X89.1 is a black EPDM (EPR) 70 Shore A O-Ring with an inside diameter of 89.1 mm (3.508 in), a cross section of 5.7 mm (0.224 in), and an outside diameter of 100.5 mm (3.96 in). In service, this o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
It resists ketones, water and steam, and dilute acids and alkalis. EPDM (EPR) offers outstanding weather, ozone and sunlight resistance, strong performance in outdoor and exposed installations. The material carries a published service range of -65°F (-53.9°C) to 300°F (148.9°C). It is not the right choice where petroleum oils and fuels or mineral oil-based lubricants are present.
It sees regular use in brake and phosphate ester systems, water and steam systems, and HVAC and refrigeration.
This item is sold individually under part number E5.7X89.1. As always, verify media compatibility and operating conditions against the requirements of your specific application. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
Description 5.7MM CS X 89.1MM ID BLACK EPDM 70D
Actual Outside Diameter 100.5 mm (3.96 inch)
Actual Cross Section 5.7 mm (0.224 inch)
Actual Inside Diameter 89.1 mm (3.508 inch)
Measurement System Metric
Product Category O-Rings - Metric - Commodity