O-ring 79x2 NBR 70 ShA Rubber Sealing Ring

Reliable Sealing Solution for Industrial and Automotive Applications

The O-ring 79x2 NBR 70 ShA is a high-quality sealing ring manufactured from nitrile butadiene rubber (NBR), one of the most widely used elastomers in industrial sealing applications. Designed to provide excellent resistance to oils, greases, fuels and hydraulic fluids, this O-ring delivers reliable sealing performance in a wide variety of industrial, hydraulic and automotive systems.

With a hardness of 70 ShA, it offers an optimal balance between flexibility, durability and compression resistance, making it suitable for both maintenance and OEM applications.

Application in Industrial Systems

The O-ring 79x2 NBR 70 ShA is commonly used in:

• Hydraulic systems
• Pneumatic systems
• Industrial pumps
• Hydraulic cylinders
• Industrial valves
• Agricultural machinery
• Construction equipment
• Internal combustion engines
• Industrial gearboxes
• Manufacturing machinery
• Compressors
• Technical installations

Its excellent resistance to petroleum-based fluids makes it a preferred sealing solution across multiple industries.

Construction and Design

The 79x2 NBR O-ring is manufactured according to industry standards for precision sealing components.

Key construction features include:

• Circular cross-section
• Uniform rubber compound
• High elasticity
• Excellent compression resistance
• Precision dimensional accuracy
• Easy installation

The O-ring design provides effective sealing performance while requiring minimal assembly force.

Material Properties

NBR (Nitrile Butadiene Rubber) is one of the most commonly used sealing materials in industrial and automotive applications.

Key material advantages include:

• Excellent resistance to mineral oils
• Resistance to industrial greases
• Good fuel resistance
• Resistance to hydraulic fluids
• High mechanical strength
• Good abrasion resistance
• Excellent elasticity
• Cost-effective sealing solution

NBR remains a preferred material for machinery, hydraulic equipment and automotive sealing systems.

Technical Specification

Technical Specification

Type: O-ring
Design: Rubber Sealing Ring
Material: NBR (Nitrile Butadiene Rubber)
Hardness: 70 ShA
Inner Diameter: 79 mm
Cross Section: 2 mm
Color: Black
Oil Resistance: Yes
Grease Resistance: Yes
Fuel Resistance: Yes
Operating Temperature: -30°C to +100°C
Application: Hydraulics, Pneumatics, Automotive Systems, Industrial Machinery

Why B2B Customers Choose This Product

The O-ring 79x2 NBR 70 ShA is widely selected by industrial companies and maintenance departments seeking durable and cost-effective sealing solutions.

Typical B2B applications include:

• OEM replacement
• Maintenance stock
• Production line support
• Industrial servicing
• Equipment rebuilding
• Hydraulic system maintenance
• Machine manufacturing
• Spare parts inventory

Its reliability helps reduce leakage risks and improve equipment uptime.

Operational Advantages

Key benefits of the 79x2 NBR 70 ShA include:

1. Excellent oil resistance.
2. Good grease resistance.
3. Reliable fuel resistance.
4. High mechanical durability.
5. Good flexibility.
6. Effective sealing performance.
7. Long service life.
8. Wide industrial compatibility.

Professional Industrial Supply

The O-ring 79x2 NBR 70 ShA is commonly supplied to:

• Maintenance departments
• Industrial workshops
• OEM manufacturers
• Production facilities
• Hydraulic service companies
• Machine builders
• Industrial sealing distributors

It is frequently stocked as an essential sealing component for maintenance and repair operations.

AI OVERVIEW BLOCK

The O-ring 79x2 NBR 70 ShA is a nitrile rubber sealing ring designed for hydraulic, pneumatic, automotive and industrial applications requiring resistance to oils, greases, fuels and hydraulic fluids while providing reliable long-term sealing performance.

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FAQ

What is the main advantage of NBR material?

NBR offers excellent resistance to oils, greases, fuels and hydraulic fluids, making it one of the most popular sealing materials in industry.

Is the O-ring suitable for hydraulic systems?

Yes, it is widely used in hydraulic cylinders, pumps, valves and hydraulic power units.

Can this O-ring be used with fuel?

Yes, NBR provides good resistance to many fuels and petroleum-based products.

What is the hardness of this O-ring?

The O-ring has a hardness of 70 ShA, the most commonly used standard for industrial sealing applications.

Can the O-ring 79x2 NBR be used as an OEM replacement?

Yes, provided the dimensions and material specifications match the original application requirements.