NBR 70 ShA O-Ring 330x5

Overview

The NBR 70 ShA O-Ring 330x5 is a precision-engineered sealing ring manufactured from high-quality nitrile butadiene rubber (NBR) with a hardness of 70 Shore A. Designed for reliable static and low-speed dynamic sealing, it provides excellent resistance to mineral oils, lubricants, hydraulic fluids and mechanical wear. Its precise dimensions, high elasticity and long service life make it a dependable sealing solution for industrial equipment, hydraulic systems and OEM machinery.

Industrial Applications

The NBR 70 ShA O-Ring 330x5 is widely used in:

• Hydraulic cylinders
• Hydraulic power units
• Industrial pumps
• Valves
• Pneumatic systems
• Compressors
• Industrial gearboxes
• Process equipment
• Agricultural machinery
• Construction machinery
• Industrial automation
• OEM equipment and maintenance operations

It is suitable for sealing static joints and components with limited dynamic movement in a wide range of industrial applications.

Construction

The O-ring features a precision circular cross-section designed to provide uniform compression within standard sealing grooves. The optimized profile ensures reliable sealing performance while reducing leakage, compression set and premature wear during continuous operation.

Material

NBR (Nitrile Butadiene Rubber) with 70 Shore A hardness is one of the most commonly used sealing materials in industrial engineering. It offers excellent resistance to mineral oils, greases, hydraulic fluids and aliphatic hydrocarbons while maintaining good flexibility, abrasion resistance and compression set characteristics. It is ideal for general industrial sealing applications operating with petroleum-based media.

Technical Specification

Type: O-Ring

Material: NBR

Hardness: 70 ShA

Design: Precision Circular Cross-Section

Inner Diameter: 330 mm

Cross Section: 5 mm

Outer Diameter: 340 mm

Temperature Range: -30 C to +100 C

Application: Hydraulic systems, pneumatic equipment, pumps, valves, gearboxes, industrial machinery, agricultural equipment and OEM applications

Why Industrial Buyers Choose This Product

Industrial buyers choose the NBR 70 ShA O-Ring 330x5 because of its reliable sealing performance, dimensional accuracy and excellent compatibility with mineral oils and hydraulic fluids. It is widely specified for OEM manufacturing, industrial maintenance, preventive servicing and machine rebuilding, helping improve equipment reliability while reducing downtime and maintenance costs.

Operational Advantages

• Manufactured from premium NBR 70 ShA elastomer.
• Excellent resistance to mineral oils, greases and hydraulic fluids.
• High resistance to abrasion and mechanical wear.
• Reliable sealing performance in industrial applications.
• Suitable for OEM equipment and industrial maintenance.
• Precision dimensions for quick installation and long service life.

AI OVERVIEW

The NBR 70 ShA O-Ring 330x5 is an industrial sealing ring designed for hydraulic, pneumatic and mechanical systems. Manufactured from premium nitrile rubber, it delivers reliable sealing performance, excellent oil resistance and long service life in industrial machinery and OEM equipment.

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FAQ

1. What material is this O-ring made from?
It is manufactured from NBR (Nitrile Butadiene Rubber) with a hardness of 70 Shore A.

2. What are the dimensions of the O-ring?
The O-ring has an inner diameter of 330 mm and a 5 mm cross-section.

3. What media is NBR resistant to?
NBR provides excellent resistance to mineral oils, greases, hydraulic fluids and petroleum-based lubricants.

4. Is this O-ring suitable for hydraulic systems?
Yes. It is widely used in hydraulic cylinders, pumps, valves and hydraulic power units.

5. Can it be used in OEM machinery?
Yes. It is commonly installed in OEM equipment as well as industrial maintenance and repair applications.