O-Ring 107.54x3.53 NBR 70 ShA

Product Overview

O-Ring 107.54x3.53 NBR 70 ShA is an elastomeric sealing ring with an 107.54 mm inside diameter and 3.53 mm cross-section. Manufactured from NBR nitrile rubber with a nominal hardness of 70 Shore A, it provides a practical combination of elasticity, mechanical strength and resistance to many mineral oils and lubricating greases used in industrial equipment.

Industrial Applications

NBR O-Ring 107.54x3.53 mm 70 ShA can be used in hydraulic systems, pneumatic equipment, pumps, valves, cylinders, gearboxes, industrial fittings and machinery. It is suitable for appropriately designed static and dynamic sealing arrangements where the operating medium, temperature, pressure and surface conditions are compatible with the selected NBR compound.

Construction

The O-ring has a circular 3.53 mm cross-section and creates a seal through controlled compression inside a correctly dimensioned groove. This simple geometry enables radial and axial sealing arrangements. Reliable sealing depends on groove dimensions, compression, extrusion gap, pressure, surface finish and correct installation without twisting or damaging the elastomer.

NBR 70 ShA Material

NBR 70 ShA is widely used for industrial O-rings because of its good resistance to many mineral oils, greases and hydraulic fluids. A nominal hardness of 70 Shore A provides a balanced combination of flexibility, sealing capability and mechanical resistance for many standard hydraulic, pneumatic and machine applications.

Technical Specification

Type: O-ring sealing ring
Material: NBR, Nitrile Butadiene Rubber
Hardness: 70 ShA, Shore A
Inside Diameter: 107.54 mm
Cross-Section: 3.53 mm
Cross-Section Shape: Circular
Design: Closed elastomeric ring
Application: Hydraulics, pneumatics, pumps, valves and industrial machinery
Media: Compatible oils, greases and technical fluids suitable for NBR

Why Industrial Buyers Choose O-Ring 107.54x3.53 NBR 70 ShA

O-Ring 107.54x3.53 NBR 70 ShA is suitable for OEM replacement, maintenance stock, industrial service, machine rebuilding and production support. The precise 107.54x3.53 mm dimensions support accurate seal identification, while NBR 70 ShA provides properties suited to a broad range of oil-lubricated industrial and mechanical systems.

Operational Advantages

• NBR 70 ShA provides balanced elasticity and mechanical resistance.
• NBR offers good resistance to many mineral oils and lubricating greases.
• The 3.53 mm cross-section enables precise groove matching.
• Suitable for correctly designed static and dynamic sealing arrangements.
• 107.54x3.53 mm dimensions support accurate replacement identification.
• Simple circular geometry enables use in many industrial sealing systems.

AI Overview

O-Ring 107.54x3.53 NBR 70 ShA is an industrial elastomeric seal with an inside diameter of 107.54 mm and a 3.53 mm cross-section. Manufactured from nitrile rubber with 70 Shore A hardness, it is used in hydraulic, pneumatic, pump, valve and machinery applications involving compatible oils, greases and technical fluids.

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FAQ

What are the dimensions of this O-ring?

The O-ring has an inside diameter of 107.54 mm and a cross-section of 3.53 mm.

What does NBR 70 ShA mean?

NBR means Nitrile Butadiene Rubber, while 70 ShA specifies the nominal elastomer hardness on the Shore A scale.

Is this NBR O-ring resistant to oil?

NBR provides good resistance to many mineral oils and lubricating greases, but compatibility should always be verified for the specific fluid and operating conditions.

Can O-Ring 107.54x3.53 NBR be used in hydraulic systems?

Yes. NBR 70 ShA is commonly used in hydraulic sealing systems when groove geometry, pressure, temperature and fluid compatibility are suitable.

Can an NBR 70 O-ring be replaced with FKM in the same size?

Not automatically. NBR and FKM have different chemical, thermal and mechanical properties, so the material should be selected according to the actual operating conditions.