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RS PRO Nitrile Rubber (NBR) O-Ring, 20 mm ID, 25 mm OD, 2.5 mm Thickness, Hardness 71 IRHD 196-4979
Specifications
| Country of Origin | India |
|---|---|
| Brand | RS PRO |
| Material | Nitrile Rubber (NBR) |
| Colour | Black |
| Operating Temperature Range | -30°C to 90°C |
| THICKNESS | 2.5mm |
| Model | 196-4979 |
| Outside diameter | 25mm |
| Maximum Operating Temperature | 90°C |
| Hardness | 71 IRHD |
| Sub Type | O-Ring |
| Inside Diameter | 20mm |
| Minimum Operating Temperature | -30°C |
| RS PRO Nitrile Rubber (NBR) O-Ring O-Ring, 21 mm ID, 25 mm ODBrand | RS PRO |
Key Features
- The O-ring is manufactured from durable Nitrile Rubber (NBR) material with hardness rating of 71 IRHD.
- It features a thickness of 2.5 mm and is coloured black for easy identification.
- Operating temperature range spans from -30°C to 90°C, making it suitable for varied environments.
- Designed for sealing in hydraulic and pneumatic systems to prevent leaks and maintain pressure.
- Offers excellent resistance against fats, greases, vegetable oils, hydrocarbons, and fuels.
- Ideal for use as shaft seals, face to face seals, and for rotary or linear movements.
- Compatible with pumps, drive belts, and general engineering uses across industrial sectors.
Product Description
RS PRO 196-4979 Nitrile Rubber (NBR) O-Ring is a precision-engineered sealing component featuring a 20 mm inside diameter and 25 mm outside diameter with 2.5 mm thickness. Manufactured with high-grade Nitrile Rubber, this O-ring offers a hardness of 71 IRHD and provides reliable sealing performance within an operating temperature range of -30°C to 90°C.
This NBR material is especially suited for applications exposed to fats, greases, vegetable oils, hydrocarbons, and fuels, delivering long life and excellent chemical resistance. The O-ring is commonly applied in hydraulic and pneumatic industries for sealing pumps, drive belts, and other mechanical equipment where air and fluid leakage must be prevented to maintain efficiency and safety.
The versatile design of this O-ring allows it to serve as shaft seals, face to face seals, and facilitates both rotary and linear movement sealing requirements. Its durability and sealing capability make it an essential component in industrial, manufacturing, automotive, plumbing, and power transmission applications.
O-rings function by creating a tight seal with compression between two mating surfaces, effectively stopping particle, vapor, and fluid intrusion. This ensures pressure maintenance and debris exclusion, critical for the proper function of mechanical systems.
RS PRO products are rigorously tested to meet demanding industry standards, ensuring exceptional quality and reliability you can trust in critical engineering environments. The O-Ring is manufactured from durable Nitrile Rubber (NBR) material with hardness rating of 71 IRHD.
It features a thickness of 2.5 mm and operates effectively within -30°C to 90°C temperature range. Ideal for hydraulic and pneumatic sealing applications requiring resistance to oils and fuels. Suitable for industrial, automotive, manufacturing, plumbing, and power transmission seal needs.
Provides long service life with excellent chemical and wear resistance. Designed for general engineering applications requiring secure fluid and air sealing. Explore more RS PRO sealing and gasket solutions at EnvMart for your industrial and engineering requirements.
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Frequently Asked Questions
The inside diameter of this O-ring is 20 mm.
It operates effectively within a temperature range of -30°C to 90°C.
The hardness rating of the Nitrile Rubber (NBR) used in this O-ring is 71 IRHD.
This O-ring has an outside diameter of 25 mm and a thickness of 2.5 mm.
It is manufactured from durable Nitrile Rubber (NBR).
This O-ring is suitable for sealing in hydraulic and pneumatic systems, as well as for use in industrial, automotive, manufacturing, plumbing, and power transmission applications.
Yes, it offers excellent resistance against fats, greases, vegetable oils, hydrocarbons, and fuels.
O-rings function by creating a tight seal with compression between two mating surfaces, effectively preventing particle, vapor, and fluid intrusion.
The O-ring is coloured black for easy identification.
The O-ring is manufactured in India.
It can be used as shaft seals, face to face seals, and for rotary or linear movements.
The maximum operating temperature for this O-ring is 90°C.
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