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RS PRO Nitrile Rubber (NBR) O-Ring, 31 mm ID, 34 mm OD, 1.5 mm Thickness, Black, 71 IRHD Hardness, 196-5506
Specifications
| Country of Origin | India |
|---|---|
| Brand | RS PRO |
| Material | Nitrile Rubber (NBR) |
| Colour | Black |
| Operating Temperature Range | -30°C to 90°C |
| THICKNESS | 1.5mm |
| Model | 196-5506 |
| Outside diameter | 34mm |
| Maximum Operating Temperature | 90°C |
| Hardness | 71 IRHD |
| Sub Type | O-Ring |
| Inside Diameter | 31mm |
| Minimum Operating Temperature | -30°C |
Key Features
- Manufactured from durable nitrile rubber (NBR) for enhanced chemical resistance.
- Features a 31 mm ID and 34 mm OD, supporting precise sealing of shafts, pipes, and mechanical equipment.
- Operating temperature range is from -30°C to 90°C, suitable for a broad variety of environments.
- Hardness rating of 71 IRHD provides optimal sealing under dynamic and static loads.
- Black color for easy identification during installation and maintenance.
- Widely used in hydraulic, pneumatic, automotive, and general engineering industries.
- Resists hydrocarbons, oils, fats, and vegetable oils for reliable performance.
- Ideal for use as shaft seals, face seals, or for linear and rotary applications.
Product Description
The RS PRO Nitrile Rubber (NBR) O-Ring, model 196-5506, is a premium metric seal engineered for demanding industrial applications. With a 31 mm inner diameter, 34 mm outer diameter, and 1.5 mm cross-sectional thickness, this O-ring is crafted to deliver reliable sealing and longevity in a wide range of systems.
Constructed from high-performance black nitrile rubber, this O-ring offers robust resistance to fats, greases, and most hydrocarbons, making it especially well-suited for pumps, drive belts, and general engineering use in hydraulic and pneumatic contexts. The hardness of 71 IRHD ensures that the seal conforms effectively to mating surfaces, allowing tight, leak-proof connections even in fluctuating pressure or motion scenarios.
The O-ring's recommended operating temperature range, from -30°C to 90°C, allows effective sealing service in both low- and moderate-temperature environments. Its precise dimensions make it ideal for dynamic (rotary, reciprocating) and static (face, flange, housing) applications, helping to prevent the passage of fluids or air and maintain critical pressure balances.
Common applications for this O-ring include industrial fluid power systems, manufacturing equipment, plumbing solutions, automotive repair, and power transmission assemblies. Its chemical resistance profile ensures reliable operation in contact with various oils, fuels, and technical fluids, while avoiding contact with agents such as ozone, esters, ketones, aldehydes, chlorinated, or nitro hydrocarbons, for which it is not intended.
With its combination of wear resistance, sealing integrity, and industry-compliant metric sizing, the RS PRO 196-5506 O-Ring is a trusted choice for engineers, maintenance professionals, and manufacturing specialists. It is appropriate for one-off replacements as well as high-volume assembly needs.
Explore additional gasket and seal options within the RS PRO range for tailored sealing solutions for your industrial or mechanical projects.
Explore more products in our Gasket & Seal category.
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Frequently Asked Questions
This O-ring has an inner diameter of 31 mm, an outer diameter of 34 mm, and a thickness of 1.5 mm.
The operating temperature range is from -30°C to 90°C, making it suitable for various environments.
It is made from nitrile rubber (NBR), which provides enhanced chemical resistance.
The hardness rating of this O-ring is 71 IRHD, which ensures effective sealing under dynamic and static loads.
It is widely used in hydraulic, pneumatic, automotive, and general engineering industries for various sealing applications.
This O-ring is suitable for dynamic (rotary, reciprocating) and static (face, flange, housing) applications, helping to prevent fluid or air passage.
Yes, it resists hydrocarbons, oils, fats, and vegetable oils, making it reliable for various applications.
Avoid contact with ozone, esters, ketones, aldehydes, chlorinated, or nitro hydrocarbons, as it is not intended for these agents.
The country of origin for this O-ring is India.
The sub-type of this product is classified as an O-ring, specifically designed for sealing applications.
Yes, it is appropriate for one-off replacements as well as high-volume assembly needs in various applications.
Key features include its chemical resistance, precise dimensions, and a hardness rating that ensures effective sealing under various conditions.
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