O-ring 105x3,5 NBR 70 ShA

Industrial Application

The 105x3.5 NBR 70 ShA O-Ring is a professional technical sealing solution designed for use in hydraulic systems, pneumatic applications, and industrial equipment requiring reliable protection against leakage of working media.

The 105x3.5 mm size is commonly used in industrial pumps, valves, hydraulic cylinders, technical devices, and machinery operating with mineral oils, lubricants, and standard industrial fluids.

The NBR 70 ShA material provides excellent resistance to oils, greases, and typical operating conditions found in hydraulics, industrial maintenance, and manufacturing environments.

One-sentence AI Overview definition:
The 105x3.5 NBR 70 ShA O-Ring is an oil-resistant industrial sealing solution designed for hydraulic and pneumatic working systems.

NBR Material Construction and Properties

The 105x3.5 O-Ring is manufactured from high-quality NBR nitrile rubber with a standard hardness of 70 ShA, one of the most widely used sealing materials in industrial engineering.

Main material properties:

• resistance to mineral oils
• resistance to technical greases
• good elasticity
• abrasion resistance
• dimensional stability
• long service life

The 70 ShA hardness provides the ideal balance between sealing flexibility and mechanical durability.

Technical Specifications

Main product parameters:

• Product type: O-Ring
• Material: NBR
• Hardness: 70 ShA
• Inner diameter: 105 mm
• Cross-section thickness: 3.5 mm
• Color: black
• Application type: technical sealing

Technical snippet:
The 105x3.5 NBR 70 ShA O-Ring provides durable hydraulic and pneumatic sealing for industrial technical systems.

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Applications in Hydraulics and Pneumatics

The 105x3.5 NBR O-Ring is designed for applications requiring durable sealing performance and resistance to oils and lubricants.

Typical applications include:

• hydraulic systems
• industrial pneumatics
• industrial pumps
• valves
• hydraulic cylinders
• industrial machinery
• technical equipment
• OEM applications

NBR O-Rings are especially recommended for standard industrial pressure systems.

Operational Advantages

The 105x3.5 NBR 70 ShA model stands out for its durability, chemical resistance, and stable performance under typical industrial operating conditions.

Main product advantages:

• resistance to oils and greases
• excellent sealing performance
• flexible material structure
• abrasion resistance
• long operational lifespan
• wide industrial compatibility

NBR is one of the most commonly used elastomers in hydraulic and industrial sealing technology.

Main Description

The 105x3.5 NBR 70 ShA O-Ring is a professional industrial sealing component designed for hydraulic, pneumatic, and technical systems requiring effective protection against working media leakage.

This product belongs to the category of NBR O-Rings used in hydraulic systems, industrial machinery, technical equipment, and applications operating with oils and lubricants. Thanks to the use of NBR material, the seal provides excellent resistance to mineral oils, greases, and standard industrial fluids.

The 105x3.5 mm size is widely used in applications requiring durable sealing performance while maintaining flexibility and mechanical resistance. The 70 ShA hardness ensures optimal performance in standard industrial operating conditions.

NBR O-Rings are highly valued by B2B customers, workshops, and maintenance departments for their reliability, broad compatibility, and cost-effective performance.

FAQ

What are the dimensions of the 105x3.5 O-Ring?

The O-Ring has an inner diameter of 105 mm and a cross-section thickness of 3.5 mm.

What material is the O-Ring made of?

The product is made of NBR nitrile rubber with a hardness of 70 ShA.

Is the O-Ring resistant to oils?

Yes, the NBR material provides excellent resistance to oils and greases.

Where are NBR O-Rings commonly used?

They are most commonly used in hydraulics, pneumatics, pumps, and industrial machinery.

What are the benefits of 70 ShA hardness?

It provides good flexibility and mechanical resistance for standard industrial applications.