O-ring 100x5,7 NBR

Construction and material design

O-ring 100x5,7 NBR 70 ShA is a large-diameter sealing element made of nitrile rubber, engineered for reliable sealing in heavy-duty industrial systems where stable performance and dimensional precision are required.

This O-ring features:

• inner diameter 100 mm
• cross-section thickness 5,7 mm
• homogeneous elastomer structure
• optimized flexibility for groove compression

The NBR compound ensures high resistance to petroleum-based media, making this O-ring suitable for demanding mechanical environments.

Industrial applications

This O-ring 100x5,7 NBR 70 ShA is widely used in large-scale systems where sealing surfaces require higher contact pressure and durability.

Typical applications include:

• hydraulic cylinders and large actuators
• industrial pumps and compressors
• gearboxes and transmission systems
• agricultural and construction machinery
• oil and fuel installations

Its larger cross-section allows effective sealing even in systems exposed to vibration, pressure fluctuations and mechanical stress.

Performance advantages

The O-ring 100x5,7 NBR 70 ShA provides long-lasting sealing performance in industrial environments where reliability is critical.

Key advantages:

• excellent resistance to oils, greases and fuels
• stable sealing under medium and higher pressure
• good mechanical strength and wear resistance
• reliable operation in dynamic and static applications

This size is particularly effective in applications where smaller O-rings would not provide sufficient sealing force.

Technical parameters

• Product type: O-ring NBR
• Size: 100x5,7 mm
• Material: NBR (nitrile rubber)
• Hardness: 70 ShA
• Color: black
• Temperature range: -30 to +100 C
• Resistance: oils, greases, fuels, hydraulic fluids
• Packaging: bulk industrial supply

Technical section:
The O-ring 100x5,7 NBR 70 ShA seals by elastic deformation within a properly machined groove, generating radial pressure that prevents leakage even under fluctuating loads.

Main description

O-ring 100x5,7 NBR 70 ShA is a heavy-duty elastomer sealing solution designed for large industrial components requiring reliable and durable sealing performance.

Within the category of technical sealing NBR O-rings at simmering.pl, this model addresses applications where increased cross-section and diameter are essential for maintaining tight sealing under load. The 100x5,7 mm O-ring is commonly used in machinery where sealing integrity directly impacts system efficiency and operational safety.

NBR O-rings remain the industry standard due to their balance between cost, availability and resistance to oils and fuels. This specific size is frequently selected for maintenance operations, OEM production and industrial servicing where large-dimension sealing elements are required.

Long-tail keywords:

• O-ring 100x5,7 NBR 70 ShA application
• large O-ring 100x5,7 for hydraulics
• NBR O-ring 100x5,7 oil resistant seal
• industrial O-rings 100 mm diameter

In industrial environments, this O-ring supports continuous operation of heavy machinery, minimizes leakage risk and ensures system reliability across sectors such as manufacturing, energy, agriculture and construction.

FAQ

Is O-ring 100x5,7 NBR suitable for heavy-duty applications?

Yes, its larger cross-section provides stronger sealing force, making it suitable for demanding industrial systems.

Can this O-ring be used in oil systems?

Yes, NBR material offers excellent resistance to oils, fuels and lubricants.

What pressure conditions is this O-ring designed for?

It performs well under low, medium and moderately high pressure conditions depending on groove design.

Is this size commonly used in industrial machinery?

Yes, 100x5,7 mm is a typical size for large hydraulic and mechanical components.

Does it work in dynamic applications?

Yes, it can be used in both static and dynamic sealing when properly installed.