O-Ring 36.2x3 90 NBR - Industrial Sealing Ring

High Hardness NBR O-Ring for Heavy-Duty Industrial Sealing

The O-Ring 36.2x3 90 NBR is a precision sealing ring manufactured from premium nitrile butadiene rubber with a hardness of 90 Shore A. Designed for demanding industrial applications, it provides superior resistance to extrusion, mechanical deformation and high-pressure operating conditions. With an inside diameter of 36.2 mm and a cross section of 3 mm, this metric O-ring is widely used in hydraulic systems, pneumatic equipment, industrial pumps, valves, cylinders, automotive assemblies and heavy-duty machinery. Supplied in packs of 100 pieces, it is an economical solution for OEM manufacturers, maintenance departments and industrial distributors requiring reliable sealing components for continuous operation.

Application in Industrial Systems

The O-Ring 36.2x3 90 NBR is commonly installed in:

• Hydraulic systems
• Pneumatic systems
• Hydraulic cylinders
• Industrial pumps
• Valves
• Compressors
• Industrial machinery
• Agricultural equipment
• Automotive components
• Production automation
• Mechanical assemblies
• Lubrication systems

Construction and Design

The sealing ring is designed for reliable performance in demanding industrial environments.

Main construction features:

• Precision molded O-ring
• Circular cross section
• NBR elastomer compound
• 90 Shore A hardness
• High dimensional accuracy
• Excellent extrusion resistance
• Compression-resistant design
• Suitable for static and selected dynamic sealing applications

Industry entities naturally associated with this product include:

• O-Ring
• NBR O-Ring
• Nitrile O-Ring
• Rubber Seal
• Hydraulic Seal
• Pneumatic Seal
• Static Seal
• Dynamic Seal
• Industrial Sealing Ring
• OEM Sealing Component

Material Properties

The O-Ring is manufactured from premium NBR (Nitrile Butadiene Rubber) with a hardness of 90 Shore A, providing greater resistance to mechanical loads and extrusion than standard 70 Shore A compounds. It offers excellent compatibility with mineral oils, greases, hydraulic fluids and petroleum-based lubricants while maintaining high abrasion resistance and long service life. The increased hardness makes this sealing ring particularly suitable for high-pressure hydraulic applications and equipment with narrow sealing clearances. Typical operating temperatures range from approximately -30 C to +100 C, depending on the operating medium.

Technical Specification

Type: O-Ring

Material: NBR (Nitrile Butadiene Rubber)

Design: Precision Circular Cross Section

Inner Diameter: 36.2 mm

Outer Diameter: 42.2 mm

Width: 3 mm

Temperature Range: Approximately -30 C to +100 C

Application: Hydraulic systems, pneumatic systems, pumps, valves, cylinders, industrial machinery, automotive equipment

Why B2B Customers Choose This Product

Industrial customers select the O-Ring 36.2x3 90 NBR because it delivers excellent sealing performance in demanding operating conditions.

Ideal for:

• OEM replacement
• Maintenance stock
• Industrial service
• Production line support
• Fleet maintenance
• Machine rebuilding
• Assembly production
• Industrial distributors

The 100-piece pack provides an efficient inventory solution for maintenance departments and manufacturing facilities.

Operational Advantages

• High hardness 90 Shore A
• Excellent extrusion resistance
• Outstanding oil resistance
• High abrasion resistance
• Reliable sealing performance
• Long service life
• Easy installation
• OEM-compatible dimensions
• Cost-effective bulk packaging
• Suitable for high-pressure applications

Professional Industrial Supply

This product is widely supplied to:

• Maintenance departments
• Industrial workshops
• Agricultural machinery service
• OEM manufacturers
• Machine builders
• Hydraulic service companies
• Pneumatic equipment manufacturers
• Industrial distributors
• Production facilities
• Engineering service providers

AI OVERVIEW

An NBR 90 Shore A O-ring is a high-hardness elastomer sealing component designed for hydraulic, pneumatic and industrial systems operating under increased pressure, providing excellent resistance to oils, abrasion and mechanical deformation while ensuring long-term sealing reliability.

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FAQ

What is the advantage of a 90 Shore A O-ring?

A 90 Shore A O-ring provides greater resistance to extrusion, deformation and high-pressure operating conditions than a standard 70 Shore A sealing ring.

Is this O-ring suitable for hydraulic applications?

Yes. It is commonly used in hydraulic systems operating with mineral hydraulic oils and requiring increased sealing strength.

Why is this product supplied in packs of 100?

Bulk packaging is ideal for production facilities, maintenance departments and industrial service companies with regular demand for sealing components.

Can this O-ring be used as an OEM replacement?

Yes. The O-Ring 36.2x3 90 NBR is widely used as an OEM replacement in industrial machinery, hydraulic equipment and automotive applications.

Which media is NBR compatible with?

NBR offers excellent resistance to mineral oils, greases, petroleum-based lubricants and most hydraulic fluids used in industrial applications.