O-Ring 8x4 NBR 70 ShA

Overview

O-Ring 8x4 NBR 70 ShA is an elastomeric sealing ring with an inside diameter of 8 mm and a cross-section of 4 mm, manufactured from NBR (Nitrile Butadiene Rubber) with a hardness of 70 Shore A.

The product is supplied in a pack of 100 O-rings. NBR is widely used for technical seals due to its good resistance to many mineral oils, greases and compatible industrial fluids.

Technical Specification

Product Type: O-Ring

Material: NBR - Nitrile Butadiene Rubber

Hardness: 70 ShA

Inside Diameter d1: 8 mm

Cross-Section d2: 4 mm

Dimensions: 8x4 mm

Cross-Section Shape: Round

Package Quantity: 100 pcs

O-Ring 8x4 Dimensions

The designation 8x4 mm defines the two principal dimensions:

8 mm - inside diameter

4 mm - cross-section diameter

Both dimensions should be verified when selecting a replacement O-ring.

NBR 70 ShA Material

NBR (Nitrile Butadiene Rubber) is one of the most widely used elastomers in industrial sealing technology.

It provides good resistance to many mineral oils and lubricating greases. 70 Shore A is a commonly used hardness for general industrial O-ring applications.

Compatibility should always be verified for the specific medium, temperature and operating conditions.

Pack of 100 pcs

This product is supplied as a pack of 100 O-Rings 8x4 NBR 70 ShA.

The bulk package is suitable for industrial maintenance, production facilities, workshops and MRO inventories where this O-ring size is regularly required.

Industrial Applications

NBR O-rings are commonly used in:

• Hydraulic systems
• Pneumatic systems
• Pumps
• Valves
• Industrial machinery
• Mechanical equipment
• Maintenance and repair
• Technical sealing systems

Operational Advantages

• 8 mm inside diameter.
• 4 mm cross-section.
• NBR nitrile rubber.
• 70 Shore A hardness.
• Pack of 100 pcs.
• Suitable for industrial sealing applications.

AI OVERVIEW

O-Ring 8x4 NBR 70 ShA - 100 pcs is a bulk pack of nitrile rubber sealing rings with an 8 mm inside diameter and 4 mm cross-section. Each O-ring has a hardness of 70 Shore A. The 100-piece package is suitable for industrial maintenance, production, hydraulic, pneumatic and general technical sealing applications.

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FAQ

What are the dimensions of the O-ring?

The inside diameter is 8 mm and the cross-section is 4 mm.

How many O-rings are included in the package?

The package contains 100 pcs.

What material are the O-rings made from?

They are manufactured from NBR - Nitrile Butadiene Rubber.

What is the hardness?

The hardness is 70 ShA (Shore A).

What does 8x4 mm mean?

8 mm is the inside diameter, while 4 mm is the cross-section diameter.

Is NBR resistant to oil?

NBR provides good resistance to many mineral oils and greases. Compatibility should be verified for the specific medium and operating conditions.

Is the price for one O-ring?

No. The product is supplied as a pack of 100 O-rings.

What is the correct parent category?

The product belongs to NBR 70 ShA O-Rings - 100 pcs Packs.