O-Ring NBR 12x2.5 mm 70 ShA 1000 pcs for Industrial and B2B Applications

What is the NBR O-Ring 12x2.5 mm 70 ShA 1000 pcs?

The NBR O-Ring 12x2.5 mm 70 ShA (1000 pcs) is an industrial sealing ring manufactured from NBR (Buna-N nitrile rubber) for large-scale industrial use. This bulk package is intended for B2B customers, OEM manufacturers, maintenance departments, industrial distributors and production facilities requiring continuous availability of technical seals. The standard 70 Shore A hardness provides an excellent balance of flexibility, wear resistance and sealing performance in hydraulic, pneumatic and lubrication systems operating with mineral oils and greases.

Industrial Applications

The 12x2.5 mm NBR O-ring is widely used in:

• Industrial machinery
• Production equipment
• Hydraulic systems
• Pneumatic installations
• OEM manufacturing
• Industrial automation
• Assembly lines
• Machine building
• MRO operations
• Industrial maintenance

Its dimensions make it suitable for static and dynamic sealing applications across numerous industrial sectors.

Benefits of the 1000-Piece Bulk Pack

The 1000-piece package is designed for organizations with continuous seal consumption.

It is an ideal solution for:

• Manufacturing plants
• OEM production
• Maintenance departments
• Industrial distributors
• Technical wholesalers
• Machine builders
• Industrial service providers
• MRO supply centers

Keeping a bulk inventory reduces purchasing frequency, improves logistics and helps maintain uninterrupted production processes.

Technical Specifications

Material:

NBR (Buna-N Nitrile Rubber)

Hardness:

70 Shore A

Inside Diameter:

12 mm

Cross Section:

2.5 mm

Color:

Black

Operating Temperature:

Approximately -30°C to +100°C

Chemical Resistance:

• Mineral oils
• Industrial greases
• Hydraulic oils
• Gear oils
• Fuels
• Mineral oil based operating fluids

Package Quantity:

1000 pieces

Why Choose NBR 70 ShA?

NBR is one of the most widely used elastomers for industrial sealing because it offers:

• Excellent resistance to mineral oils
• High compatibility with industrial greases
• Good abrasion resistance
• Stable sealing performance
• Reliable elasticity
• Long service life in hydraulic and pneumatic equipment

The 70 Shore A hardness is the standard specification for many industrial sealing applications.

Production Line and Maintenance

Maintaining an adequate warehouse stock of sealing components is essential for preventing production downtime.

The 1000-piece bulk pack supports:

• Continuous production
• OEM assembly
• Preventive maintenance
• Industrial MRO
• Spare parts inventory
• Production logistics
• Maintenance planning
• Warehouse management

Hydraulic and Pneumatic Systems

The 12x2.5 mm O-ring is suitable for sealing components used with:

• Hydraulic oil
• Lubricating grease
• Pneumatic systems
• Control valves
• Hydraulic cylinders
• Pumps
• Manifolds
• Industrial equipment

Storage Recommendations

For maximum shelf life, store O-rings:

• In a dry location
• At room temperature
• Away from direct sunlight
• Protected from ozone exposure
• In the original bulk packaging

Proper storage preserves the elastomer's physical properties for extended periods.

FAQ

Why is the 1000-piece package suitable for manufacturers?

It helps maintain continuous production by ensuring a consistent supply of commonly used sealing components.

Is NBR compatible with hydraulic oils?

Yes. NBR provides excellent resistance to most mineral-based hydraulic oils and industrial lubricants.

Is this O-ring suitable for maintenance departments?

Yes. It is widely used for preventive maintenance, machine servicing and industrial repairs.

Can it be used in pneumatic systems?

Yes. NBR 70 ShA is commonly specified for industrial pneumatic sealing applications.

How should bulk O-rings be stored?

Store them in the original packaging in a dry environment away from sunlight, heat sources and ozone.

Frequently Asked Questions from Engineers

Is 70 Shore A the standard hardness for industrial O-rings?

Yes. It is the most commonly specified hardness for hydraulic, pneumatic and general industrial sealing applications.

Is NBR resistant to industrial greases?

Yes. NBR offers excellent compatibility with most mineral-based greases used in industrial equipment.

Does the 1000-piece package simplify inventory management?

Yes. It supports warehouse stock planning, reduces ordering frequency and minimizes the risk of production interruptions.

Is this O-ring suitable for OEM manufacturing?

Yes. When the dimensions match the engineering specification, it is suitable for OEM assembly and industrial production.