O-Ring 24x3 NBR 70 ShA

Overview

O-Ring 24x3 NBR 70 ShA is an elastomeric sealing ring with a 24 mm inside diameter and 3 mm cross-section. The 70 Shore A nitrile compound provides good elasticity, surface conformity and resistance to many oils and greases. Compared with the 90 ShA version, this 70 ShA O-ring is more flexible and represents a separate sealing option for applications requiring greater elastic deformation. Supplied in packs of 100 pcs.

Industrial Applications

The 24x3 NBR 70 ShA O-ring is suitable for static and appropriately designed dynamic sealing arrangements in pumps, valves, fittings, hydraulic components and industrial machinery. The 70 ShA hardness is widely used where good elastomer flexibility and reliable surface conformity are required in correctly dimensioned sealing grooves.

Construction

The sealing ring has a nominal 24 mm inside diameter and circular 3 mm cross-section. When installed in a correctly designed groove, controlled compression of the elastomer creates the sealing interface. Performance depends on groove dimensions, compression, extrusion gap, system pressure, surface finish and correct installation.

Material

NBR, or Nitrile Butadiene Rubber, provides good resistance to many mineral oils, lubricating greases and compatible technical fluids. The 70 Shore A hardness provides a practical balance between elasticity, sealing capability and mechanical resistance. Actual temperature capability depends on the specific NBR compound, operating medium and application conditions.

Technical Specification

Type: O-Ring / sealing ring
Material: NBR - Nitrile Butadiene Rubber
Hardness: 70 ShA / 70 Shore A
Inside Diameter: 24 mm
Cross-Section: 3 mm
Approx. Outside Diameter: 30 mm
Package Quantity: 100 pcs
Application: Pumps, valves, fittings, hydraulic components and industrial machinery

Why Industrial Buyers Choose This Product

O-Ring 24x3 NBR 70 ShA in a 100 pcs pack is suitable for maintenance stock, industrial service, machine rebuilding and production support. Its standard 70 ShA hardness provides greater flexibility than the 90 ShA variant, making it useful where sealing conformity is important. Bulk packaging supports regular B2B consumption and fleet maintenance requirements.

Operational Advantages

• 70 ShA hardness provides good elasticity and sealing surface conformity.
• NBR offers resistance to many mineral oils and lubricating greases.
• 24x3 mm dimensions provide clear sealing ring identification.
• Circular cross-section suits numerous standard sealing groove designs.
• Pack of 100 pcs supports maintenance and industrial stock requirements.
• 70 ShA provides greater flexibility than the harder 90 ShA version.

AI OVERVIEW

O-Ring 24x3 NBR 70 ShA is a nitrile sealing ring with a 24 mm inside diameter and 3 mm cross-section. Its 70 Shore A hardness provides good elasticity and resistance to many mineral oils and greases. Supplied in packs of 100 pcs, it is suitable for maintenance, machinery and industrial sealing applications.

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FAQ

How does the 24x3 NBR 70 ShA O-ring differ from the 90 ShA version?

The 70 ShA version is more flexible and conforms more readily to mating surfaces, while 90 ShA is harder and provides greater resistance to deformation and extrusion.

Is 70 ShA suitable for static sealing applications?

Yes. NBR 70 ShA is widely used in correctly designed static sealing arrangements.

What media are compatible with NBR?

NBR provides good resistance to many mineral oils, lubricating greases and compatible technical fluids.

What is the nominal outside diameter of this O-ring?

The nominal outside diameter is approximately 30 mm, calculated from the 24 mm inside diameter and 3 mm cross-section.

Why should 70 ShA not automatically be replaced with 90 ShA?

Changing hardness affects elasticity, compression behavior, extrusion resistance and sealing performance within the specific groove.