O-Ring 20.3x2.4 NBR 90

NBR 90 O-ring for demanding technical sealing

Increased hardness and pressure resistance

Hydraulic and pneumatic applications

O-Ring 20.3x2.4 NBR 90 is a high-quality rubber sealing ring designed for professional technical sealing in applications exposed to elevated pressure and intensive operating conditions. This product is intended for B2B customers who require dimensional stability, repeatable performance and long service life in industrial environments.

The O-ring is manufactured from NBR rubber with a hardness of 90 ShA, providing high resistance to mineral oils, greases, fuels and typical working media used in hydraulic and pneumatic systems. The increased hardness significantly reduces the risk of extrusion in sealing gaps, making this sealing ring suitable for higher-pressure applications compared to standard 70 ShA O-rings.

With precise dimensions of 20.3x2.4 mm, the O-ring ensures accurate groove fit and effective static and semi-dynamic sealing. It is commonly used in hydraulic and pneumatic sealing systems, including cylinders, valves, distributors, pumps and industrial machinery components. Thanks to the mechanical properties of NBR 90, the seal maintains its shape and sealing performance even during long-term operation.

The simple geometry allows for easy installation and minimizes the risk of damage during assembly, which is essential for maintenance and continuous operation in industrial plants. This O-ring is a proven solution for industrial applications where reliability, tightness and operational safety are critical.

FAQ - frequently asked questions

Which material is the O-Ring 20.3x2.4 made of?
It is made of NBR rubber with a hardness of 90 ShA, resistant to oils and greases.

What is the advantage of NBR 90 compared to NBR 70?
NBR 90 offers higher hardness, making it better suited for higher-pressure applications.

Where is this O-ring typically used?
In hydraulic and pneumatic systems and industrial technical sealing applications.

Can this O-ring be used in semi-dynamic applications?
Yes, when correctly installed and matched to operating conditions.

How do I select the correct NBR O-ring?
Consider the dimensions, operating pressure, temperature and type of sealing medium.