NBR O-Ring 8x1.5 70 ShA

NBR O-Ring 8x1.5 70 ShA 1000 pcs - Bulk Pack for Industrial Production

NBR O-Ring 8x1.5 70 ShA 1000 pcs is a bulk package of small technical sealing rings intended for serial production, OEM assembly, industrial maintenance, MRO and B2B supply. Each O-ring has an 8 mm inside diameter, 1.5 mm cross-section and 70 Shore A hardness. NBR, also known as Buna-N, is widely used in sealing systems involving mineral oils, lubricating greases and many compatible industrial fluids. The 1000 pcs bulk pack is specifically intended for companies requiring continuous stock of this sealing size.

Technical Specifications - NBR O-Ring 8x1.5

Product type: O-Ring / sealing ring
Material: NBR, nitrile butadiene rubber
Alternative material name: Buna-N
Hardness: 70 ShA / 70 Shore A
Inside diameter: 8 mm
Cross-section: 1.5 mm
Nominal size: 8x1.5 mm
Approximate outside diameter: 11 mm
Color: Black
Typical temperature range: approximately -30 to +100°C, depending on compound and operating conditions
Resistance: many mineral oils, lubricating greases and compatible oil-based fluids
Package quantity: 1000 pcs
Market segment: Bulk, B2B, OEM, MRO, industrial production

Serial Applications of 8x1.5 O-Rings

The compact 1.5 mm cross-section makes the 8x1.5 mm O-ring particularly useful in small sealing assemblies where installation space is limited.

With the correct groove design, this size can be used in:

• compact valves
• hydraulic fittings
• pneumatic components
• technical connectors
• pumps and dosing systems
• measuring equipment
• industrial machinery
• automation components
• OEM assemblies
• maintenance operations

Final selection should consider groove dimensions, pressure, operating temperature, medium and whether the application is static or dynamic.

Why NBR 70 Shore A?

NBR 70 ShA is one of the most widely used material and hardness combinations for general industrial O-rings.

Nitrile rubber provides good resistance to many mineral oils and lubricating greases, while 70 Shore A hardness provides a practical balance between elasticity and mechanical stability.

This combination is commonly used in hydraulic systems, pneumatic equipment, machinery and general industrial sealing applications.

1000 pcs Bulk Pack for OEM Production

The 1000 pcs package is designed for companies using the same sealing dimension repeatedly in production.

For OEM manufacturers, maintaining a bulk quantity of 8x1.5 mm O-rings helps support continuous assembly operations and reduces the need for frequent small replenishment orders.

The package can be maintained as central warehouse inventory or supplied directly to production stations where this O-ring size is regularly installed.

Economic Benefits of Bulk Purchasing

Purchasing 1000 NBR O-Rings 8x1.5 mm is particularly practical when the same sealing size is consumed continuously.

Bulk purchasing can help:

• reduce purchasing frequency
• maintain production continuity
• supply multiple assembly stations
• create maintenance safety stock
• support repetitive OEM manufacturing
• simplify internal logistics
• maintain inventory for resale

The 1000 pcs variant is therefore specifically positioned for industrial bulk purchasing and B2B supply rather than occasional small-quantity replacement.

Hydraulic Applications

NBR O-rings are widely used in hydraulic systems operating with compatible mineral oil-based hydraulic fluids.

The compact 8x1.5 mm size may be suitable for small valves, fittings, manifolds and hydraulic components where the sealing groove is designed for this dimension.

For higher-pressure applications, extrusion clearance, groove geometry and the possible need for backup rings should also be considered.

Pneumatic Applications

NBR is also extensively used in pneumatic sealing systems.

An 8x1.5 mm O-ring may be used in pneumatic connectors, valves, control components and compact assemblies operating with compressed air.

For dynamic applications, lubrication, friction, surface finish and operating speed should also be considered.

MRO and Maintenance Stock

A 1000 pcs stock of NBR 8x1.5 O-rings can provide a practical inventory for maintenance departments operating machinery with multiple small valves, fittings and automation components.

Immediate availability of the correct sealing size supports:

• scheduled maintenance
• emergency repairs
• preventive servicing
• machinery overhauls
• replacement of worn seals

A small O-ring can be a critical component when restarting machinery, making adequate warehouse stock important for MRO operations.

Warehouse Stock and B2B Logistics

O-rings require relatively little storage space. A 1000 pcs bulk package therefore allows companies to maintain substantial technical stock without requiring significant warehouse capacity.

For manufacturers, maintenance departments and industrial resellers, bulk packaging can simplify inventory management and provide a safety stock for recurring requirements.

Maintaining adequate warehouse stock also helps reduce the risk of production interruptions caused by shortages of small but essential sealing components.

Storage of Bulk NBR O-Rings

O-rings intended for long-term warehouse storage should be protected from conditions that accelerate elastomer ageing.

Avoid prolonged exposure to:

• direct sunlight
• UV radiation
• excessive heat
• ozone sources
• aggressive chemicals
• unnecessary stretching or deformation

Proper storage is especially relevant for a 1000 pcs package that may be consumed gradually over an extended production or maintenance cycle.

NBR 8x1.5 1000 pcs for B2B Supply

This bulk variant is particularly suitable for:

OEM: repetitive component assembly
Production: regular consumption on manufacturing lines
MRO: machinery repair and maintenance
Maintenance departments: technical spare-parts inventory
Resellers: industrial sealing distribution
Warehouses: safety stock for recurring sealing requirements

The 1000 pcs quantity clearly differentiates this product from smaller retail packages and targets industrial users requiring larger quantities.

Frequently Asked Questions by Engineers

What is the outside diameter of an 8x1.5 mm O-ring?
The nominal outside diameter is approximately 11 mm, calculated as the 8 mm inside diameter plus twice the 1.5 mm cross-section.

What does 8x1.5 mean for an O-ring?
The first dimension, 8 mm, is the nominal inside diameter. The second dimension, 1.5 mm, is the cross-section diameter.

Is NBR 70 ShA resistant to mineral oil?
NBR provides good resistance to many mineral oils and lubricating greases. Compatibility should still be verified for the specific medium, additives and operating temperature.

Can an NBR 8x1.5 O-ring be used in pneumatic equipment?
Yes, NBR is widely used in pneumatic systems when the seal dimensions, groove design and operating conditions are appropriate.

Is the 8x1.5 size suitable for compact valves?
It can be used in compact valve assemblies when the sealing groove and operating conditions are designed for an 8 mm inside diameter and 1.5 mm cross-section O-ring.

Why choose a 1000 pcs bulk pack?
The bulk package supports recurring consumption in OEM production, industrial maintenance and MRO while reducing replenishment frequency.

How should bulk NBR O-rings be stored?
Store them in a dry, protected environment away from sunlight, UV radiation, excessive heat, ozone and chemicals that could degrade the elastomer.