O-Ring NBR 18x3 mm 70 ShA

What is an O-Ring NBR 18x3 mm 70 ShA 1000 pcs?

The O-Ring NBR 18x3 mm 70 ShA 1000 pcs is a precision industrial sealing ring manufactured from NBR (Buna-N) rubber with a hardness of 70 Shore A, supplied exclusively in a bulk package of 1000 pieces. This packaging format is intended for OEM manufacturers, MRO departments, production facilities and industrial distributors requiring a consistent warehouse stock for continuous production, equipment assembly and maintenance operations. This description applies exclusively to the 1000-piece bulk package.

Technical Specifications

*Typical operating range for NBR. Actual performance depends on operating conditions and the media involved.

Designed for Continuous Industrial Production

The 18x3 mm NBR O-Ring is widely used as a technical sealing element in hydraulic systems, pneumatic equipment, industrial machinery and mechanical assemblies operating with media compatible with NBR material properties.

The 1000-piece bulk pack supports continuous manufacturing by ensuring component availability, reducing purchasing frequency and simplifying inventory management across production facilities and maintenance departments.

It is an efficient solution for companies operating automated production lines where minimizing downtime is essential.

Benefits of Buying in Bulk

Choosing the 1000-piece package offers several operational advantages:

• Supports warehouse stock management
• Reduces purchasing frequency
• Improves supply chain efficiency
• Lowers the cost per sealing component
• Helps maintain uninterrupted production lines
• Simplifies procurement planning
• Ideal for OEM manufacturing
• Supports MRO maintenance strategies
• Convenient bulk packaging for industrial users
• Readily available for scheduled maintenance programs

Why Choose NBR 70 Shore A?

NBR (Buna-N) is one of the most widely used elastomers for industrial sealing applications.

Its material properties include:

• Excellent resistance to mineral oils
• Good compatibility with lubricating greases
• Resistance to many hydraulic oils
• Good abrasion resistance
• Reliable elasticity under normal operating conditions
• Long service life in industrial sealing applications

Material compatibility should always be verified for the intended operating medium, temperature and pressure.

Typical Industrial Applications

The 18x3 mm O-Ring is commonly used in:

• Hydraulic systems
• Pneumatic systems
• Pumps
• Valves
• Hydraulic cylinders
• Control valves
• Lubrication systems
• Industrial machinery
• Manufacturing equipment
• Industrial sealing applications
• Mechanical assemblies
• OEM equipment production

Suitable For

This bulk package is recommended for:

• OEM manufacturers
• MRO departments
• Industrial production facilities
• Machine builders
• Automation companies
• Hydraulic service providers
• Pneumatic equipment manufacturers
• Industrial distributors
• Technical wholesalers
• Industrial maintenance contractors

FAQ

Does this product include 1000 O-Rings?

Yes. This listing refers exclusively to the 1000-piece bulk package.

What are the dimensions of this O-Ring?

The O-Ring has an 18 mm inside diameter and a 3 mm cross section.

Is this package intended for industrial customers?

Yes. The bulk package has been developed primarily for OEM manufacturers, industrial maintenance departments, production facilities and technical distributors.

Which fluids are compatible with NBR?

NBR is commonly used with mineral oils, lubricating greases and many petroleum-based hydraulic fluids.

Why choose the 1000-piece bulk pack?

Maintaining a larger inventory helps reduce production downtime, improves purchasing efficiency and ensures continuous availability of sealing components.

Frequently Asked Questions from Engineers

Is the 1000-piece package suitable for automated production lines?

Yes. It provides consistent component availability for high-volume manufacturing and scheduled maintenance.

Can this O-Ring be used in hydraulic equipment?

Yes, provided that the operating fluid, pressure and temperature are compatible with NBR material characteristics.

Is NBR suitable for pneumatic sealing applications?

Yes. NBR is widely used in standard pneumatic sealing systems.

Why is a 70 Shore A hardness commonly selected?

A hardness of 70 Shore A offers an effective balance between sealing performance, flexibility and mechanical durability for a wide range of industrial applications.

Who typically purchases this bulk package?

The 1000-piece package is commonly purchased by OEM manufacturers, maintenance departments, industrial distributors and companies maintaining large inventories of sealing components.