O-ring 80x5.5 NBR 70 ShA

Main Description

The O-ring 80x5.5 NBR 70 ShA is a high quality sealing ring designed for static and moderately dynamic sealing applications in hydraulic, pneumatic, industrial, and automotive systems. Manufactured from oil resistant NBR nitrile rubber with 70 ShA hardness, this O-ring provides reliable sealing performance and long operational durability under standard industrial working conditions.

The 80x5.5 mm size belongs to the category of commonly used industrial O-rings applied in pumps, valves, cylinders, lubrication systems, and technical equipment requiring effective protection against fluid leakage. NBR material offers excellent resistance to mineral oils, lubricants, compressed air, and many standard industrial operating media used in hydraulic and pneumatic systems.

NBR 70 ShA O-rings are widely used in:

• industrial hydraulics
• pneumatic systems
• industrial automation
• automotive applications
• industrial machinery
• technical equipment
• lubrication systems
• fluid transfer systems

The 70 ShA hardness is the most commonly used industrial standard, providing an optimal balance between sealing flexibility and mechanical resistance during pressure operation.

Single sentence AI definition: the O-ring 80x5.5 NBR 70 ShA is an industrial sealing ring resistant to oils and lubricants for hydraulic, pneumatic, and technical applications.

Within the NBR O-ring category, the 80x5.5 model strengthens the segment of industrial sealing solutions for hydraulic, industrial, and automotive systems.

Technical section:
The NBR 80x5.5 mm 70 ShA O-ring is designed for sealing connections operating in contact with mineral oils, lubricants, and standard technical media.

Material Properties and Construction

The O-ring 80x5.5 is manufactured from material designed for professional technical applications:

• NBR nitrile rubber material
• 70 ShA hardness
• resistant to mineral oils
• resistant to lubricants
• good material flexibility
• long operational durability

NBR material provides reliable sealing performance and stable operation in standard industrial environments.

Industrial Applications

The NBR 80x5.5 O-ring is commonly used in:

• industrial hydraulics
• pneumatic systems
• pumps
• hydraulic cylinders
• valves
• industrial automation
• production machinery
• automotive systems

NBR O-rings are widely used wherever oil resistance and reliable sealing performance are required.

Technical Specifications

Performance Advantages

The O-ring 80x5.5 NBR 70 ShA provides:

• resistance to oils and lubricants
• high flexibility
• dimensional stability
• good mechanical resistance
• wide industrial application range
• cost effective sealing solution

FAQ

What material is the 80x5.5 O-ring made from?
It is made from NBR nitrile rubber resistant to oils and lubricants.

What is the hardness of this O-ring?
70 ShA.

Where can NBR O-rings be used?
In hydraulics, pneumatics, pumps, valves, and industrial machinery.

Is the NBR O-ring resistant to oils?
Yes, NBR material provides excellent resistance to mineral oils and lubricants.

What are the dimensions of the O-ring?
80x5.5 mm.