NBR O-Ring 468.76x6.99 mm 70 Shore A

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

The NBR O-Ring 468.76x6.99 mm 70 Shore A is a precision-engineered sealing ring manufactured from premium nitrile butadiene rubber (NBR). Designed for large industrial sealing applications, it provides reliable performance in hydraulic equipment, pumps, gearboxes, pressure vessels and heavy machinery. The large inside diameter combined with a 6.99 mm cross section delivers dependable sealing performance while offering excellent resistance to mineral oils, greases, hydraulic fluids and aliphatic fuels, making it ideal for demanding OEM and industrial maintenance applications.

Application in Industrial Systems

The NBR O-ring 468.76x6.99 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 power systems

Industry entities naturally included:

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

Construction and Design

The O-ring is manufactured as a one-piece precision molded sealing element with a circular cross section designed to provide uniform sealing pressure.

Key design features include:

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

The large cross section enhances sealing reliability in heavy-duty industrial equipment operating under demanding conditions.

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 application. NBR is generally not recommended for prolonged exposure to ozone, UV radiation or severe weathering.

Technical Specification

Type: O-ring
Material: NBR (Nitrile Butadiene Rubber)
Hardness: 70 Shore A
Inner Diameter: 468.76 mm
Cross Section: 6.99 mm
Outer Diameter: 482.74 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 customers select the NBR O-Ring 468.76x6.99 mm because it provides reliable sealing performance in large industrial assemblies while reducing maintenance costs and downtime.

Ideal for:

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

Operational Advantages

• Excellent oil resistance
• High grease resistance
• Outstanding hydraulic fluid compatibility
• Large diameter sealing capability
• Excellent elasticity
• Long service life
• High dimensional stability
• Easy installation
• Reliable industrial sealing
• 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 468.76x6.99 mm 70 Shore A is a large-diameter industrial sealing ring manufactured from nitrile rubber for hydraulic, pneumatic and heavy machinery applications. It offers excellent resistance to mineral oils, greases and hydraulic fluids while providing reliable long-term sealing performance in demanding industrial environments.

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FAQ

What material is this O-ring made from?

It 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 468.76 mm and a cross section of 6.99 mm.

Can this O-ring be used in hydraulic cylinders?

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

Is NBR suitable for outdoor applications?

For continuous outdoor exposure, EPDM or VMQ silicone generally provides better resistance to UV radiation and ozone. NBR performs best in oil-based industrial environments.

Summary

The NBR O-Ring 468.76x6.99 mm 70 Shore A is a professional large-diameter sealing solution engineered for demanding industrial applications. Its excellent resistance to oils, greases and hydraulic fluids, combined with high mechanical durability and reliable sealing performance, makes it an ideal choice for OEM manufacturers, hydraulic service providers, maintenance departments and heavy industrial machinery.