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| Country of Origin | Italy |
|---|---|
| Brand | RS PRO |
| Material | Nitrile Rubber (NBR) |
| Colour | Black |
| THICKNESS | 2.4mm |
| Model | 128-877 |
| Outside diameter | 11.4mm |
| Maximum Operating Temperature | 120°C |
| Hardness | Shore 70 |
| Sub Type | O-Ring |
| Inside Diameter | 6.6mm |
| Minimum Operating Temperature | -30°C |
The RS PRO Nitrile Rubber O-Ring 128-877 is a precision sealing component engineered for demanding industrial environments, featuring a 6.6 mm internal diameter, 11.4 mm external diameter, and 2.4 mm thickness. Made from Nitrile Rubber (NBR), this O-Ring offers reliable resistance against mineral oils, hydraulic fluids, and abrasive conditions, making it an optimal choice for fluid power systems, bearings, and packings.
This O-Ring is manufactured to a hardness rating of Shore 70, enabling it to maintain structural integrity and effective sealing under variable temperature ranges, from -30°C to 120°C, suitable for both low and high temperature applications. Nitrile Rubber is renowned for its versatility in industry due to excellent resistance to petroleum-based fluids, exceptional abrasion resistance, and stable performance under mechanical stress.
Its compliance with BS4518 tolerance standards ensures consistent sizing and reliable performance in precision assemblies. The black colour of the RS PRO O-Ring aids visibility and installation in multi-component systems, preventing installation errors.
RS PRO O-Rings are widely used across automotive, aerospace, laboratory, and engineering industries for fluid sealing, mechanical separation, and vibration damping. Applications include hydraulic actuators, pump casings, compressor systems, machine beds, valves, and general engineering solutions where a dependable seal is crucial.
Operating temperature range from -30°C up to 120°C enables this O-Ring to be used in a variety of demanding setups without risk of degradation. However, it is not suitable for applications exposed to esters, ozone, retone, aldehydes, chlorinated, or nitro carbons.
Manufactured in Italy, the RS PRO O-Ring 128-877 adheres to stringent industrial quality norms, ensuring consistent product reliability in mass-manufacturing systems. Explore more industrial sealing solutions from RS PRO and browse the full range of Gasket & Seal products on EnvMart.
Explore more products in our Gasket & Seal category.
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