Oring 165x4 mm NBR 70 ShA

Main Description

The Oring 165x4 mm NBR 70 ShA is a large-diameter technical sealing solution designed for industrial systems requiring reliable sealing performance, chemical resistance, and dimensional stability under load.

This NBR O-ring with an inner diameter of 165 mm and a cross section of 4 mm belongs to a group of larger sealing components used in heavy-duty and industrial-scale applications. The 70 ShA hardness provides an optimal balance between flexibility and mechanical strength, ensuring consistent sealing in both static and dynamic environments.

Within the technical sealing category of NBR O-rings, the 165x4 mm size is particularly suitable for applications involving large sealing surfaces and moderate pressure conditions. The nitrile rubber material offers excellent resistance to mineral oils, greases, and fuels, making it a standard choice across multiple industrial sectors.

This product is frequently searched in long tail queries such as Oring 165x4 mm NBR, large diameter O-ring 165 mm, and oil resistant seal 165x4, strengthening its visibility in industrial procurement and maintenance operations.

Material and Design

The Oring 165x4 mm is manufactured from high-quality NBR elastomer.

Key material features:

• NBR rubber resistant to oils, fuels, and lubricants
• 70 ShA hardness for versatile industrial applications
• 4 mm cross section ensuring reliable sealing performance
• Good resistance to abrasion and deformation
• Elastic structure for easy installation

The material ensures stable operation in standard industrial environments.

Industrial Applications

This NBR O-ring is widely used in:

• large hydraulic systems
• industrial installations with large diameters
• machinery and production equipment
• oil and fuel systems
• sealing of wide contact surfaces

It is especially effective where large sealing diameters require consistent compression and tight sealing.

Technical Specifications

Type: O-ring technical seal
Material: NBR
Hardness: 70 ShA
Inner diameter: 165 mm
Cross section: 4 mm
Color: black
Application: static and dynamic sealing

Operational Advantages

• High resistance to oils and fuels
• Reliable sealing for large diameters
• Durable and wear-resistant material
• Flexible and easy to install
• Cost-effective industrial solution

Compared to other elastomers, NBR offers an excellent balance between performance and affordability.

FAQ

Is the Oring 165x4 mm suitable for large industrial systems?
Yes, it is designed for large diameter sealing applications.

Can it be used in hydraulic systems?
Yes, it is commonly used in hydraulic sealing.

Is it resistant to oils and fuels?
Yes, NBR material provides strong resistance.

What does 70 ShA mean?
It indicates a standard hardness for industrial use.

Can it be used for dynamic sealing?
Yes, under appropriate operating conditions.