3.53MM CS X 44.45MM ID BLACK BUNA 70D

Ordered as H3.53X44.45, this is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 44.45 mm (1.75 in), a cross section of 3.53 mm (0.139 in), and an outside diameter of 51.51 mm (2.03 in). The o-ring delivers dependable bidirectional sealing in a compact groove envelope.

This material stands up to petroleum-based oils, greases and lubricants, and hydraulic fluids. That behavior comes from the compound itself: Buna-N (Nitrile) delivers an economical choice for high-volume maintenance programs, strong abrasion and tear resistance. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Applications involving automotive brake fluid or ketones call for a different compound.

You will find this material specified across construction equipment, hydraulic and pneumatic systems, and automotive.

Order part number H3.53X44.45, sold individually. Check the compound against your process media, pressure and temperature before committing to a design.