The H2X118 is a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 118 mm (4.646 in), a cross section of 2 mm (0.079 in), and an outside diameter of 122 mm (4.8 in). This o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
As a material, Buna-N (Nitrile) delivers low compression set under sustained load and the most widely specified general-purpose sealing elastomer. It resists water, greases and lubricants, and petroleum-based oils. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in strong acids or ketones.
You will find this material specified across construction equipment, automotive, and agricultural equipment.
Order part number H2X118, sold individually. Unit weight is approximately 1.5027 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.
description 2MM CS X 118MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING
Actual_OD 122 mm (4.8 inch)
Actual_CS 2 mm (0.079 inch)
Actual_ID 118 mm (4.646 inch)
ProductCode Description O-Rings - Metric - Commodity