This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A built to an inside diameter of 57 mm (2.244 in), a cross section of 7 mm (0.276 in), and an outside diameter of 71 mm (2.8 in), catalogued under part number H7X57. It delivers dependable bidirectional sealing in a compact groove envelope.
As a material, Buna-N (Nitrile) is valued for strong abrasion and tear resistance, an economical choice for high-volume maintenance programs. This material stands up to hydraulic fluids, petroleum-based oils, and greases and lubricants. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Verify compatibility before use with automotive brake fluid or ozone and direct sunlight.
You will find this material specified across general industrial maintenance, construction equipment, and automotive.
This item is sold individually under part number H7X57. Unit weight is approximately 9.45 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
description 7MM CS X 57MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING
Actual_OD 71 mm (2.8 inch)
Actual_CS 7 mm (0.276 inch)
Actual_ID 57 mm (2.244 inch)
ProductCode Description O-Rings - Metric - Commodity