The H2X188 is a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 188 mm (7.402 in), a cross section of 2 mm (0.079 in), and an outside diameter of 192 mm (7.56 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) is widely chosen for strong abrasion and tear resistance, low compression set under sustained load. It resists hydraulic fluids, water, and greases and lubricants. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in automotive brake fluid or polar solvents.
You will find this material specified across construction equipment, automotive, and agricultural equipment.
This item is sold individually under part number H2X188. Unit weight is approximately 2.3246 g. 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 2MM CS X 188MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING
Actual_OD 192 mm (7.56 inch)
Actual_CS 2 mm (0.079 inch)
Actual_ID 188 mm (7.402 inch)
ProductCode Description O-Rings - Metric - Commodity