O-Ring NBR 9.25x1.78 mm 70 Shore A

What Is the O-Ring NBR 9.25x1.78 mm 70 Shore A 1000 pcs?

The O-Ring NBR 9.25x1.78 mm 70 Shore A (1000 pcs) is a bulk package of precision NBR (Buna-N) rubber sealing rings designed for OEM manufacturers, industrial production, maintenance departments (MRO), distributors and companies requiring a continuous supply of technical seals. With an inside diameter of 9.25 mm, a 1.78 mm cross section, and 70 Shore A hardness, this O-ring provides reliable sealing in hydraulic systems, pneumatic equipment and machinery operating with mineral oils, lubricating greases and hydraulic fluids.

Designed for OEM Production and Industrial Supply

The 1000-piece bulk pack is intended for businesses where sealing components are consumed regularly and inventory continuity is essential.

Typical users include:

• OEM manufacturers
• Industrial production plants
• Machine builders
• Maintenance departments (MRO)
• Hydraulic service companies
• Pneumatic equipment manufacturers
• Industrial distributors
• Technical wholesalers
• Industrial resellers

Keeping a larger stock reduces procurement frequency, simplifies logistics and minimizes production downtime caused by unavailable sealing components.

Why Choose NBR 70 Shore A?

NBR (Nitrile Butadiene Rubber) is the industry standard for general-purpose sealing applications involving petroleum-based lubricants.

Material advantages include:

• Excellent resistance to mineral oils
• Good compatibility with lubricating greases
• Good resistance to hydraulic fluids
• High abrasion resistance
• Good mechanical strength
• Low compression set
• Reliable long-term sealing performance

The 70 Shore A hardness offers an excellent balance between flexibility and sealing efficiency.

Technical Specification

Material: NBR (Nitrile Butadiene Rubber, Buna-N)

Hardness: 70 Shore A

Inside Diameter: 9.25 mm

Cross Section: 1.78 mm

Profile: O-Ring

Colour: Black

Operating Temperature: Approximately -30°C to +100°C

Chemical Resistance:

• Mineral oils
• Lubricating greases
• Hydraulic oils
• Many petroleum-based industrial fluids

Packaging: 1000 pieces (Bulk Pack)

Applications in Industrial Production

The O-Ring NBR 9.25x1.78 mm is commonly used in:

• Hydraulic systems
• Pneumatic systems
• Industrial valves
• Pumps
• Hydraulic cylinders
• Pneumatic actuators
• Process equipment
• Industrial automation
• Agricultural machinery
• Construction equipment
• Manufacturing machinery
• Production lines

Its dimensions make it suitable for precision sealing applications where consistent quality and repeatability are essential.

Benefits of the 1000-Piece Bulk Package

Choosing a 1000-piece package provides measurable operational advantages:

• Lower cost per O-ring
• Fewer purchasing cycles
• Reduced inventory shortages
• Better production planning
• Continuous availability for maintenance
• Faster order fulfillment
• Efficient warehouse management
• Ideal for serial production and OEM assembly

For companies consuming sealing components on a daily basis, bulk packaging helps improve operational efficiency and reduce procurement costs.

Warehouse Stock and Logistics

Maintaining an inventory of frequently used O-rings supports uninterrupted production and maintenance activities.

Bulk packaging is especially suitable for:

• Scheduled preventive maintenance
• Production line support
• Service departments
• Industrial warehouses
• Multi-site maintenance operations
• Technical distribution networks

Fast availability helps reduce machine downtime and simplifies inventory management.

Why Engineers Choose NBR O-Rings

• Proven sealing material
• Excellent oil resistance
• High wear resistance
• Standard 70 Shore A hardness
• Reliable hydraulic sealing
• Suitable for pneumatic equipment
• Consistent dimensions for OEM production
• Easy installation
• Long service life

Frequently Asked Questions (FAQ)

Why choose the 1000-piece package?

It is designed for companies with regular O-ring consumption, reducing purchasing frequency and improving inventory control.

Is this O-ring suitable for hydraulic systems?

Yes. NBR offers excellent compatibility with mineral oil-based hydraulic fluids.

Can this O-ring be used in pneumatic equipment?

Yes. It is widely used in pneumatic valves, cylinders and industrial air systems.

Is NBR resistant to lubricating greases?

Yes. NBR performs very well with most industrial greases and petroleum-based lubricants.

Is this bulk package suitable for OEM production?

Yes. The 1000-piece pack is intended for OEM manufacturing, industrial assembly, maintenance operations and technical distribution.

Frequently Asked Questions from Engineers

Why is 70 Shore A the most common hardness?

It provides an optimal balance of elasticity, sealing performance and durability for most industrial applications.

Is this O-ring suitable for automated assembly?

Yes. The consistent dimensions make it suitable for both manual and automated production processes.

Can this O-ring be stored for long periods?

Yes. When stored in a cool, dry environment away from UV light, ozone and excessive heat, NBR O-rings maintain their properties for extended periods.

Is bulk packaging recommended for maintenance departments?

Yes. It ensures immediate availability of replacement seals and helps minimize equipment downtime.

Is this O-ring suitable for continuous industrial use?

Yes. It is designed for industrial hydraulic, pneumatic and general mechanical sealing applications where reliable long-term performance is required.