O-Ring 3,5x2 NBR 70 ShA

Applications of O-Ring 3.5x2 NBR 70 ShA

The 3.5x2 O-Ring made from NBR elastomer with 70 ShA hardness is a versatile technical sealing ring used in a wide range of industrial applications. It is designed for both static and dynamic sealing, where reliable protection against leakage of working media is required.

This O-Ring size is commonly used in hydraulic and pneumatic systems, industrial valves, fittings, lubrication systems, production machinery and compact mechanical assemblies. It performs effectively as a rubber gasket in cylindrical grooves, threaded connections and precision sealing housings.

Advantages of NBR 70 ShA O-Ring

NBR material provides high resistance to oils, greases and standard industrial fluids, making this O-Ring a dependable solution for typical operating environments. The 70 ShA hardness ensures an optimal balance between elasticity and mechanical strength, resulting in consistent sealing performance and long service life.

The 3.5x2 O-Ring offers good dimensional stability, abrasion resistance and easy installation. It is widely selected by B2B customers seeking repeatable quality, compatibility with standard grooves and cost-effective sealing solutions for industrial production and maintenance operations.

Technical Data

• Product type: O-Ring

• Size: 3.5x2 mm

• Material: NBR

• Hardness: 70 ShA

• Color: black

• Application: static and dynamic sealing

• Resistance: oils, greases, industrial media

• Packaging: 100 pieces

Main Product Description

The O-Ring 3.5x2 NBR 70 ShA is a precision rubber sealing ring engineered for reliable technical sealing in industrial applications. Manufactured from NBR elastomer, it offers excellent resistance to oils, greases and commonly used operating fluids, ensuring stable and long-lasting sealing performance.

Its compact 3.5x2 mm size makes it suitable for space-restricted assemblies where dimensional accuracy and tight sealing are essential. The 70 ShA hardness provides sufficient flexibility to maintain contact pressure while resisting deformation under load, making the O-Ring suitable for both static and dynamic applications.

Supplied in packs of 100 pieces, this product supports efficient logistics, storage and use in serial production, maintenance and service operations. It is a standard choice for B2B customers in industrial, hydraulic and pneumatic sectors who require consistent quality and dependable sealing components.

FAQ - Frequently Asked Questions

What material is the O-Ring 3.5x2 made of?
It is made of NBR rubber, known for oil and grease resistance.

What is the typical temperature range for NBR O-Rings?
Approximately from -30°C to +100°C under standard conditions.

Is this O-Ring suitable for hydraulic and pneumatic systems?
Yes, it is commonly used in both applications.

Can this O-Ring be used for dynamic sealing?
Yes, when correctly installed in a properly designed groove.

How is the product supplied?
In bulk packaging of 100 pieces.