O-ring 18x1,8 NBR 70 ShA Nitrile Rubber Seal 100 pcs

O-ring 18x1,8 NBR 70 ShA is a precision sealing ring made from nitrile rubber designed for reliable sealing in hydraulic systems, pneumatic installations and industrial machinery. With an inner diameter of 18 mm and a cross section of 1,8 mm, this O-ring provides effective sealing in compact mechanical assemblies where resistance to oils, lubricants and industrial fluids is required. The product is supplied in packs of 100 pieces, making it a practical solution for maintenance departments, repair workshops and industrial production environments.

NBR nitrile O-rings are among the most widely used sealing components in industrial technology. Their compatibility with mineral oils, lubricants and many petroleum based fluids makes them suitable for a broad range of hydraulic and mechanical applications. The hardness of 70 ShA ensures an optimal balance between elasticity and durability.

Construction and design

The O-ring 18x1,8 NBR 70 ShA features a circular cross section that allows uniform compression between sealing surfaces. This geometry provides effective sealing and prevents leakage of fluids or gases in mechanical systems.

NBR nitrile rubber offers good flexibility combined with resistance to mechanical wear. These properties allow the sealing ring to maintain stable performance in oil lubricated environments and under continuous industrial operation.

A hardness level of 70 Shore A is one of the most commonly used standards in industrial sealing technology.

Industrial applications

The O-ring 18x1,8 NBR 70 ShA sealing ring is commonly used in compact industrial systems where precise sealing of mechanical components is required.

Typical applications include:

hydraulic systems
pneumatic installations
industrial valves
industrial pumps
hydraulic fittings
precision mechanical assemblies

The sealing ring dimension 18x1,8 mm is suitable for many compact sealing grooves used in hydraulic and mechanical equipment.

Technical specifications

Type: sealing O-ring
Material: NBR nitrile rubber
Hardness: 70 ShA
Inner diameter: 18 mm
Cross section: 1,8 mm
Outer diameter: approximately 21,6 mm
Color: black
Package quantity: 100 pieces

NBR material provides strong resistance to mineral oils, lubricants and many industrial fluids used in mechanical systems.

Operational advantages

The O-ring 18x1,8 NBR 70 ShA sealing ring offers several advantages for industrial sealing applications.

Key benefits include:

reliable sealing performance
resistance to oils and lubricants
good elasticity of the sealing material
mechanical durability
long service life in hydraulic and pneumatic systems

The pack containing 100 pieces provides efficient supply for maintenance operations and industrial service applications.

Dimensional compatibility

The O-ring size 18x1,8 mm is used in compact mechanical assemblies where precise sealing is required. The smaller cross section allows installation in narrow sealing grooves while maintaining stable sealing pressure.

FAQ

What is the O-ring 18x1,8 NBR 70 ShA used for
This O-ring is used in hydraulic systems, pneumatic equipment, valves and compact industrial machinery requiring precise sealing.

Is nitrile rubber resistant to oil
Yes, NBR nitrile rubber offers excellent resistance to mineral oils, fuels and lubricants.

Can the 18x1,8 O-ring be used in hydraulic systems
Yes, O-rings made from NBR with hardness 70 ShA are widely used in hydraulic installations.

Why is the product supplied in packs of 100 pieces
The pack of 100 pieces is convenient for maintenance departments and industrial production use.