Nitrile O-Rings
O-Rings
Nitrile (or Buna-N or NBR) O-rings are widely recognized for their excellent sealing and mechanical properties at a cost-effective price. They’re highly resistant to common lubricants, including crude oil, gasoline, propane, and petroleum oils, making them ideal for a range of applications.
These O-rings are often used as face-to-face and shaft seals, accommodating both rotary and linear movement. They’re perfect for use in engines, gearboxes, aircraft pumps, and water-related applications.
Our Trusted Suppliers
WWe maintain close relationships with manufacturers like Parker and Freudenberg to offer reliable and high-quality NBR O-rings to our customers.
Design Specifics
Nitrile O-rings are designed for general-purpose sealing, providing a reliable, cost-effective solution for sealing applications. They offer excellent mechanical properties, such as abrasion resistance, and operate effectively within a broad temperature range from -30°F to 250°F (-57°C to 121°C). These O-rings are ideal for use in dynamic applications where rotary or linear movement is required, ensuring long-lasting sealing performance.
How Buna-N O-Rings Work
The nitrile in Buna-N O-rings gives them balanced mechanical properties, resistance to petroleum-based fluids, and the ability to perform under various environmental conditions. While they do have limitations with exposure to ozone and strong acids, their excellent performance in a wide range of industrial and automotive applications makes them a trusted choice for general sealing needs.
Related Industries
Our O-rings deliver consistent sealing performance across a wide range of applications.
Products Bought with Nitrile O-Rings
NBR O-rings are an excellent choice for general-purpose sealing, particularly in applications involving petroleum-based fluids, water, and air, offering reliable performance across a variety of environments.
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Neoprene O-Rings
Neoprene (CR; Chloroprene) O-Rings provide good resistance for UV, oxygen, and weather applications.
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EPDM O-Rings
Ethylene Propylene Diene Monomer (EPDM) O-rings provide resistance to heat, water, steam, ozone, and sunlight.
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Silicone O-Rings
Silicone (VMQ) O-rings provide good insulating properties, as well as sealability at high temperatures. Available in all standard sizes.
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Related Resources
Explore our guides, blogs, and more to learn more about our industry-leading sealing solutions.
Why Choose Sealing Devices for Nitrile O-Rings?
At Sealing Devices, we offer not only high-quality nitrile O-rings but also tailored technical support to ensure your sealing needs are met.
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Commitment To Quality: Our rigorous quality control processes ensure all our NBR O-ring solutions meet the highest standards. Our ISO 9001:2015 and AS9100D certifications reflect our commitment to excellence.
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Unmatched Supplier Partnerships: Our close supplier relationships enable us to provide the most reliable and advanced nitrile O-rings to meet our customers’ diverse needs.
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Wide Range of Materials: Sealing Devices can supply NBR O-rings in multiple nitrile compounds, making it easy to get the ideal solution for your unique demands.
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Expert Guidance and Support: Our skilled engineers provide customized design guidance and comprehensive material testing to ensure our Buna-N O-rings can meet even the most demanding specifications.
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Ease of Sizing and Selection: We offer nitrile O-rings in multiple sizes, colors, and compounds to suit varying needs. Our team of engineers can also work with you to develop a custom solution for more niche applications.
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