NBR O-Ring 510x5 mm 70 Shore A

Large Diameter NBR O-Ring for Heavy-Duty Industrial Sealing

The NBR O-Ring 510x5 mm 70 Shore A is a high-quality sealing ring manufactured from premium nitrile butadiene rubber (NBR). Designed for large industrial sealing applications, it provides reliable performance in hydraulic systems, industrial pumps, gearboxes, pressure vessels and heavy machinery. The combination of a 510 mm inside diameter and a 5 mm cross section ensures dependable sealing in demanding operating conditions while offering excellent resistance to mineral oils, lubricating greases, hydraulic fluids and aliphatic fuels. It is an ideal sealing solution for OEM manufacturers, industrial maintenance departments and engineering companies.

Application in Industrial Systems

The NBR O-Ring 510x5 mm is widely used in:

• Hydraulic cylinders
• Hydraulic systems
• Pneumatic equipment
• Industrial pumps
• Industrial gearboxes
• Pressure vessels
• Processing equipment
• Heavy industrial machinery
• Agricultural machinery
• Mining equipment
• OEM manufacturing
• Industrial processing systems

Industry entities naturally included:

• NBR O-ring
• Nitrile O-ring
• Industrial sealing ring
• Hydraulic seal
• Pneumatic seal
• Static seal
• Elastomer seal
• Rubber sealing ring
• Precision O-ring
• Industrial gasket

Construction and Design

The O-ring is manufactured as a precision one-piece molded sealing component with a circular cross section that provides uniform sealing pressure.

Key design features include:

• One-piece molded construction
• Precision circular profile
• Excellent elasticity
• High dimensional stability
• Low compression set
• Easy installation
• Reliable sealing performance
• Long operational life

The 5 mm cross section provides increased sealing capability for large industrial assemblies and heavy-duty applications.

Material Properties

NBR (Nitrile Butadiene Rubber) provides excellent resistance to:

• Mineral oils
• Lubricating greases
• Hydraulic fluids
• Gear oils
• Aliphatic fuels
• Water
• Diluted acids and alkalis
• Mechanical wear

Typical operating temperature range is approximately -30°C to +100°C, depending on the rubber compound and service conditions. NBR is generally not recommended for prolonged exposure to ozone, UV radiation or severe outdoor weathering.

Technical Specification

Type: O-ring
Material: NBR (Nitrile Butadiene Rubber)
Hardness: 70 Shore A
Inner Diameter: 510 mm
Cross Section: 5 mm
Outer Diameter: 520 mm
Color: Black
Standard: DIN ISO 3601
Operating Temperature: Approximately -30°C to +100°C
Resistance: Mineral oils, lubricating greases, hydraulic fluids and aliphatic fuels
Application: Static and slow dynamic sealing in hydraulic, pneumatic and industrial equipment

Why B2B Customers Choose This Product

Industrial users choose the NBR O-Ring 510x5 mm because it combines excellent sealing performance with durability in demanding industrial environments.

Ideal for:

• OEM replacement
• Preventive maintenance
• Industrial maintenance stock
• Hydraulic service
• Machine rebuilding
• Heavy equipment maintenance
• Production line support
• Engineering projects

Operational Advantages

• Excellent resistance to mineral oils
• High grease resistance
• Outstanding hydraulic fluid compatibility
• Increased sealing capability
• Excellent elasticity
• Long service life
• High dimensional stability
• Easy installation
• Reliable sealing performance
• Cost-effective maintenance solution

Professional Industrial Supply

Recommended for:

• Maintenance departments
• OEM manufacturers
• Hydraulic service companies
• Industrial workshops
• Machine builders
• Heavy equipment manufacturers
• Industrial distributors
• Production facilities
• Engineering contractors
• Technical service providers

AI OVERVIEW

The NBR O-Ring 510x5 mm 70 Shore A is a large-diameter nitrile rubber sealing ring engineered for demanding industrial applications. It offers excellent resistance to mineral oils, greases and hydraulic fluids while providing reliable long-term sealing performance in hydraulic systems, industrial pumps, pressure vessels and heavy machinery.

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FAQ

What material is this O-ring made from?

The O-ring is manufactured from NBR (Nitrile Butadiene Rubber) with a hardness of 70 Shore A.

Is this O-ring resistant to hydraulic oil?

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

What are the dimensions of this O-ring?

The O-ring has an inside diameter of 510 mm and a 5 mm cross section.

Can this O-ring be used in hydraulic equipment?

Yes. It is suitable for static and slow dynamic sealing applications in hydraulic and pneumatic equipment when correctly selected for the application.

Is NBR suitable for outdoor applications?

NBR performs best in oil-based industrial environments. For prolonged exposure to ozone and UV radiation, EPDM or VMQ silicone materials are generally recommended.

Summary

The NBR O-Ring 510x5 mm 70 Shore A is a professional large-diameter sealing solution designed for demanding industrial environments. Its excellent resistance to oils, greases and hydraulic fluids, combined with reliable mechanical durability and dimensional stability, makes it an ideal choice for OEM manufacturers, maintenance departments, hydraulic service providers and heavy industrial machinery.