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A widely used O-ring material for oil-related and general industrial sealing applications.
NBR O-rings, manufactured from Nitrile Butadiene Rubber, are among the most commonly used elastomeric sealing components in industrial machinery.
NBR is frequently considered for oil-related and general industrial applications, including hydraulic equipment, lubrication systems, pumps, valves and mechanical assemblies.
NBR stands for Nitrile Butadiene Rubber, a synthetic elastomer commonly used in industrial seals.
When manufactured as an O-ring, the material forms a circular ring with a round cross section. Compression inside the seal groove creates contact against the mating surfaces and helps control leakage.
NBR is frequently used in applications involving oils and lubrication systems.
It is commonly found in hydraulic equipment, valves, pumps, fittings and general machinery.
Because NBR O-rings are widely used, many standard sizes and sealing configurations are available.
O-ring size is commonly specified as ID × CS.
For example, an NBR O-ring 30 × 3 mm has a 30 mm inside diameter and a 3 mm cross-section diameter.
Colour should not be used as the primary method of identifying an O-ring material because compound colours may vary between manufacturers.
When the original material is unknown, the operating temperature, pressure and process media should be reviewed before selecting a replacement material.
Send us the ID × CS dimensions, product photograph or existing sample, together with the operating conditions for an initial review.
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