Oring 85x4 NBR 70 ShA - Technical Seal

Industrial applications

Oring 85x4 NBR 70 ShA is widely used in hydraulic systems, pneumatic installations, automotive components and industrial machinery where reliable sealing is required.

The 85x4 mm Oring size is commonly applied in cylinders, valves and mechanical systems operating under pressure and exposed to oils and lubricants.

This type of technical seal is essential in maintenance, repair and industrial production environments.

Construction and material

Oring 85x4 NBR 70 ShA is manufactured from high quality nitrile rubber NBR, designed for industrial sealing applications.

The NBR compound provides excellent resistance to oils, greases and fuels, ensuring stable performance in demanding environments. The hardness of 70 ShA offers an optimal balance between flexibility and mechanical durability.

The 4 mm cross section ensures effective sealing and proper contact pressure in various groove configurations.

Technical specifications

Type: Oring technical seal
Material: NBR nitrile rubber
Hardness: 70 ShA
Inner diameter: 85 mm
Cross section: 4 mm
Color: black
Resistance: oils, greases, fuels
Temperature range: -30 to +100 C
Quantity: 1 pc

Operational advantages

Oring 85x4 NBR 70 ShA provides reliable sealing performance, high resistance to wear and long service life.

The NBR material ensures durability in oil exposed environments, while maintaining elasticity and sealing efficiency under pressure.

Dimensional compatibility

The Oring 85x4 NBR 70 ShA follows standard industrial dimensions and can replace equivalent seals from other manufacturers.

Search phrases such as Oring 85x4, NBR Oring 85 mm, sealing ring 85x4 or O ring 85x4 enhance its visibility within the technical sealing category.

Main description

Oring 85x4 NBR 70 ShA is a technical sealing solution designed for hydraulic and mechanical systems requiring resistance to oils, pressure and industrial operating conditions.

The Oring 85x4 mm ensures durability, flexibility and reliable sealing performance in industrial and maintenance applications.

FAQ

Where is Oring 85x4 used
It is used in hydraulic, pneumatic and industrial machinery.

Is NBR resistant to oil
Yes, it offers excellent resistance to oils and greases.

What does 70 ShA mean
It indicates standard hardness for flexibility and durability.

Can it be used under pressure
Yes, with proper installation.

What temperature range can it handle
Approximately -30 to +100 C.