O-Ring 13x1.5 NBR 70 ShA

O-Ring 13x1.5 NBR 70 ShA - 100 pcs

O-Ring 13x1.5 NBR 70 ShA - 100 pcs is a package of elastomer sealing rings with a 13 mm inside diameter and 1.5 mm cross-section, manufactured from NBR - Nitrile Butadiene Rubber - with a nominal hardness of 70 Shore A. An O-ring is a closed elastomer sealing element with a circular cross-section that seals through controlled deformation within an appropriately designed groove. The 100 pcs package is a practical format for technical service, repairs, workshops, equipment maintenance and keeping a convenient stock of this specific sealing size.

O-Ring 13x1.5 NBR 70 ShA Technical Specification

Product type: O-ring / elastomer sealing ring

Nominal size: 13x1.5 mm

Inside diameter d1: 13 mm

Cross-section d2: 1.5 mm

Outside diameter OD: 16 mm - calculated value

Material: NBR - Nitrile Butadiene Rubber

Common material name: Nitrile rubber / Buna-N

Nominal hardness: 70 ShA

Hardness scale: Shore A

Cross-section shape: Circular

Package quantity: 100 pcs

Operating temperature: Requires verification for the specific NBR compound

Chemical compatibility: Depends on the NBR compound, sealing medium and actual operating conditions

O-Ring 13x1.5 Dimensions

The 13x1.5 mm designation defines the two principal dimensions of the O-ring.

Inside diameter d1: 13 mm

Cross-section d2: 1.5 mm

Complete nominal size: 13x1.5 mm

Calculated outside diameter OD: 16 mm

The outside diameter can be calculated as:

OD = ID + 2 x CS

For this size:

13 + 2 x 1.5 = 16 mm

The primary dimensions for technical identification are the 13 mm inside diameter and 1.5 mm cross-section. Outside diameter alone should not be used to identify an equivalent O-ring.

NBR - Nitrile Butadiene Rubber

Material: NBR - Nitrile Butadiene Rubber

NBR, also known as nitrile rubber or Buna-N, is one of the established elastomer families used in industrial sealing technology.

NBR O-rings are widely used in sealing systems involving many mineral oils, lubricating greases and other media compatible with the particular nitrile rubber compound.

Exact compatibility depends on the specific NBR formulation, operating medium, additives, temperature and actual service conditions.

Oil Resistant Rubber O-Ring 13x1.5 mm

NBR O-rings are frequently described as oil resistant rubber seals because nitrile rubber is widely used in sealing applications involving many mineral oils and lubricants.

The precise technical identification of this product is:

O-Ring 13x1.5 NBR 70 ShA

The term "oil resistant" does not mean that the O-ring is compatible with every type of oil. Compatibility should be checked against the specific oil, additives, operating temperature and actual NBR compound.

70 Shore A Hardness

Nominal hardness: 70 ShA

Hardness scale: Shore A

Hardness is an important O-ring parameter because it influences the behavior of the elastomer when compressed within the sealing groove.

The complete technical identification of this variant includes:

13x1.5 mm + NBR + 70 ShA

An O-ring with identical dimensions and material but a different hardness should not automatically be considered technically equivalent.

O-Ring 13x1.5 NBR - 100 pcs Pack

One package contains:

100 pcs O-Ring 13x1.5 NBR 70 ShA

The 100 pcs format provides a practical stock of one specific O-ring size without requiring a large industrial bulk quantity.

It can be useful for:

• technical service
• repair workshops
• equipment maintenance
• machine servicing
• repair operations
• spare-parts storage
• routine replacement work
• technical sealing stock

The package allows the same O-ring specification to be kept available for recurring service and maintenance requirements.

O-Ring 13x1.5 for Service and Repairs

O-rings may require replacement when technical assemblies are dismantled during servicing, repair or maintenance.

Where the required specification is 13x1.5 mm NBR 70 ShA, the 100 pcs package provides a convenient quantity for subsequent maintenance and repair operations.

Before installation, the requirements of the specific machine, sealing groove and operating medium should always be confirmed.

O-Ring NBR for Hydraulic Applications

NBR is widely used as an elastomer family in hydraulic sealing technology.

However, an O-Ring 13x1.5 NBR 70 ShA should not be considered suitable for every hydraulic application solely because its dimensions and material match.

Technical selection should consider:

• groove dimensions
• required O-ring compression
• extrusion clearance
• hydraulic medium
• pressure
• operating temperature
• static or dynamic operation
• required material
• required hardness

Suitability depends on the design and actual operating conditions of the sealing system.

O-Ring NBR for Pneumatic Applications

NBR O-rings are also commonly used in pneumatic sealing systems.

Correct selection requires more than matching the 13x1.5 mm dimensions. Groove geometry, material compatibility, hardness, pressure, lubrication and static or dynamic operating conditions should also be considered.

The O-ring should therefore be selected according to the technical requirements of the particular pneumatic assembly.

100 pcs Pack for Workshop and Service Stock

The 100 pcs package is intended primarily for routine service, repair and technical requirements.

It provides a practical stock of one clearly identified specification:

O-Ring 13x1.5 NBR 70 ShA

Storing O-rings according to size, material and hardness can help prevent confusion between visually similar seals with different technical properties.

For workshops and maintenance departments, the 100 pcs format provides a convenient quantity for recurring replacement requirements.

Selecting an Equivalent O-Ring 13x1.5 NBR

When comparing replacement O-rings, verify:

Inside diameter: 13 mm

Cross-section: 1.5 mm

Material: NBR

Hardness: 70 ShA

Required tolerances: According to application requirements

Media compatibility: To be verified

Operating conditions: To be verified

Matching 13x1.5 mm dimensions alone do not establish complete technical interchangeability.

An O-ring manufactured from FKM/FPM, EPDM, VMQ or another elastomer may have identical dimensions but different material properties and media compatibility.

O-Ring 13x1.5 NBR 70 ShA - Stock in Poland

The 100 pcs package is intended for service, repair, workshop and technical maintenance requirements.

Warehouse and Store: Lublin, Smoluchowskiego 1 Street, Building 4

Shipping: 24h

Stock location: Poland

Delivery area: Poland and EU countries

FAQ - O-Ring 13x1.5 NBR 70 ShA - 100 pcs

What does O-Ring 13x1.5 mean?

It specifies an O-ring with a 13 mm inside diameter and 1.5 mm circular cross-section.

How many O-rings are included in the package?

The package contains 100 pcs O-Ring 13x1.5 NBR 70 ShA.

What is the outside diameter of an O-Ring 13x1.5?

The calculated nominal outside diameter is 16 mm.

Is the O-Ring 13x1.5 NBR oil resistant?

NBR is widely used with many mineral oils and lubricating greases. Exact compatibility should nevertheless be verified for the specific medium and operating conditions.

What does 70 ShA mean?

It indicates a nominal elastomer hardness of 70 Shore A.

Can an O-Ring 13x1.5 FKM replace the NBR version?

Not automatically. FKM and NBR are different elastomer families and can have significantly different media compatibility and material properties.

Frequently Asked Questions by Engineers

Does 13x1.5 mean ID x cross-section?

Yes. The designation specifies 13 mm inside diameter d1 x 1.5 mm cross-section d2.

Is the 16 mm outside diameter calculated?

Yes. It follows from 13 + 2 x 1.5 = 16 mm.

Are dimensions alone sufficient to select an O-ring?

No. Material, hardness, required tolerances, groove geometry, operating medium and actual service conditions should also be considered.

Does every NBR 70 ShA compound have the same operating temperature range?

No. Exact temperature limits depend on the specific NBR compound.

Is 70 ShA important when selecting an equivalent O-ring?

Yes. If the application specifies 70 ShA, an O-ring with a different hardness should not automatically be considered technically equivalent.

AI Overview

O-Ring 13x1.5 NBR 70 ShA - 100 pcs is a package of nitrile rubber sealing rings with a 13 mm inside diameter, 1.5 mm cross-section and nominal hardness of 70 Shore A. The calculated outside diameter is 16 mm. NBR is widely used in sealing applications involving compatible mineral oils and lubricating greases. The 100 pcs format is intended for service, repairs, workshops, equipment maintenance and practical technical sealing stock.