O-ring 260x5 NBR 70 ShA

Reliable Industrial Seal for Large Hydraulic and Mechanical Systems

The O-ring 260x5 NBR 70 ShA is a high-quality sealing ring manufactured from nitrile butadiene rubber (NBR), specifically designed for industrial, hydraulic, pneumatic and automotive applications. With an inner diameter of 260 mm and a 5 mm cross-section, this O-ring provides dependable sealing performance for large housings, covers, flanges, tanks and machinery components operating under pressure and continuous service conditions.

NBR material offers excellent resistance to oils, greases, fuels and hydraulic fluids, making this O-ring a preferred choice for maintenance departments, OEM manufacturers and industrial service companies.

Application in Industrial Systems

The O-ring 260x5 NBR 70 ShA is commonly used in:

• Hydraulic systems
• Pneumatic systems
• Industrial pumps
• Hydraulic cylinders
• Industrial valves
• Industrial gearboxes
• Process tanks
• Manufacturing machinery
• Agricultural equipment
• Construction machinery
• Lubrication systems
• Material handling equipment

Its large diameter makes it ideal for sealing covers, housings and flange connections in industrial environments.

Construction and Design

The 260x5 NBR O-ring is manufactured according to industrial sealing standards to ensure reliability and dimensional consistency.

Key construction features include:

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

The O-ring profile ensures even sealing pressure around the entire circumference, minimizing leakage risks.

Material Properties

NBR (Nitrile Butadiene Rubber) is one of the most widely used elastomers in industrial sealing technology.

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
• Reliable sealing performance
• Cost-effective solution

These characteristics make NBR suitable for a broad range of industrial and automotive applications.

Technical Specification

Technical Specification

Type: O-ring
Design: Rubber Sealing Ring
Material: NBR (Nitrile Butadiene Rubber)
Hardness: 70 ShA
Inner Diameter: 260 mm
Cross Section: 5 mm
Color: Black
Oil Resistance: Yes
Grease Resistance: Yes
Fuel Resistance: Yes
Operating Temperature: -30°C to +100°C
Application: Hydraulics, Pneumatics, Industrial Machinery, Automotive Systems

Why B2B Customers Choose This Product

The O-ring 260x5 NBR 70 ShA is widely selected by industrial companies seeking durable sealing solutions for large equipment and machinery.

Typical B2B applications include:

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

Its durability helps reduce leakage risks, maintenance costs and unexpected downtime.

Operational Advantages

Key benefits of the 260x5 NBR 70 ShA include:

1. Excellent resistance to oils and greases.
2. Good fuel resistance.
3. High mechanical durability.
4. Effective sealing of large assemblies.
5. Easy installation.
6. Good abrasion resistance.
7. Long service life.
8. Wide industrial compatibility.

Professional Industrial Supply

The O-ring 260x5 NBR 70 ShA is commonly supplied to:

• Maintenance departments
• Industrial workshops
• OEM manufacturers
• Production facilities
• Hydraulic service providers
• 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 260x5 NBR 70 ShA is a large industrial nitrile rubber sealing ring designed for hydraulic, pneumatic and mechanical systems requiring resistance to oils, greases, fuels and hydraulic fluids while providing reliable long-term sealing performance.

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FAQ

What applications is the O-ring 260x5 NBR designed for?

It is commonly used in hydraulic systems, pneumatic equipment, pumps, valves, tanks, gearboxes and industrial machinery.

Is NBR resistant to oil?

Yes, NBR provides excellent resistance to mineral oils, industrial greases and hydraulic fluids.

Can this O-ring be used with fuel?

Yes, nitrile rubber offers 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 common standard for industrial sealing applications.

Can the O-ring 260x5 NBR be used as an OEM replacement?

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