Monroe
OneMonroe
Locations Throughout the Country
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Tel: (877) 740-2007
Fax: (800) 453-9683
Email: sales@askmonroe.com
Website: monroeengineering.com
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OneMonroe’s Metric Buna O-Rings are engineered to provide reliable sealing performance across a variety of industrial and commercial applications. Made from high-quality Buna-N (Nitrile) rubber, these O-rings are known for their excellent resistance to oils, fuels, and other petroleum-based products, making them ideal for use in environments where durable, leak-proof seals are essential. Buna-N’s resilient properties allow it to maintain its integrity even in challenging temperatures, ranging from -40°F to 250°F, ensuring these O-rings can withstand both low and high-stress conditions with ease. With a broad range of metric sizes available, OneMonroe ensures you’ll find the right fit for your exact specifications.

Our Metric Buna O-Rings are crafted to offer outstanding resistance to abrasion and tearing, providing long-lasting performance in rigorous applications. This makes them well-suited for automotive, aerospace, marine, and hydraulic systems, as well as in general maintenance and repair settings. The unique chemical composition of Buna-N allows these O-rings to endure pressure and friction over extended periods without compromising their sealing capabilities, making them a reliable choice for static and dynamic sealing tasks. Each O-ring is manufactured to precise industry standards, ensuring a dependable fit and function in every installation.

With OneMonroe, you’re getting more than just a product; you’re receiving a commitment to quality and expertise. Our team is dedicated to supporting your projects with high-quality metric Buna O-Rings that meet both industry standards and specific customer requirements. We provide technical support to help you select the best O-ring for your application, offering detailed product specifications and guidance. Trust OneMonroe to deliver durable, efficient, and cost-effective sealing solutions tailored to meet the demands of your unique projects.

For more information, please see: Comparison Properties Chart, PTFE Encapsulated O-rings, Material Shelf Life, and O-ring Groove Design Chart.

Metric O-Rings
Unit of Measure
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Item #

IntegrationID

Type

Material

Cross Reference

Cross Section Width

Durometer

Inside Diameter

Product Guides

Quantity
111.6 X 5.7 B-90 N/A
123878 		N/A Metric Standard O-Ring N/A Buna N/A P112 N/A 5.70 mm N/A 90 N/A 111.60 mm N/A Seal Guides
114 X 5.7 B-70 N/A
123879 		N/A Metric Standard O-Ring N/A Buna N/A N/A 5.70 mm N/A 70 N/A 114.00 mm N/A Seal Guides
114 X 5.7 B-90 N/A
123880 		N/A Metric Standard O-Ring N/A Buna N/A N/A 5.70 mm N/A 90 N/A 114.00 mm N/A Seal Guides
114.2 X 5.7 B-70 N/A
123881 		N/A Metric Standard O-Ring N/A Buna N/A N/A 5.70 mm N/A 70 N/A 114.20 mm N/A Seal Guides
114.2 X 5.7 B-90 N/A
123882 		N/A Metric Standard O-Ring N/A Buna N/A N/A 5.70 mm N/A 90 N/A 114.20 mm N/A Seal Guides
114.3 X 5.7 B-70 N/A
123883 		N/A Metric Standard O-Ring N/A Buna N/A N/A 5.70 mm N/A 70 N/A 114.30 mm N/A Seal Guides
114.3 X 5.7 B-90 N/A
123884 		N/A Metric Standard O-Ring N/A Buna N/A N/A 5.70 mm N/A 90 N/A 114.30 mm N/A Seal Guides
114.6 X 5.7 B-70 N/A
123885 		N/A Metric Standard O-Ring N/A Buna N/A P115 N/A 5.70 mm N/A 70 N/A 114.60 mm N/A Seal Guides
114.6 X 5.7 B-90 N/A
123886 		N/A Metric Standard O-Ring N/A Buna N/A P115 N/A 5.70 mm N/A 90 N/A 114.60 mm N/A Seal Guides
119 X 5.7 B-70 N/A
123887 		N/A Metric Standard O-Ring N/A Buna N/A N/A 5.70 mm N/A 70 N/A 119.00 mm N/A Seal Guides
119 X 5.7 B-90 N/A
123888 		N/A Metric Standard O-Ring N/A Buna N/A N/A 5.70 mm N/A 90 N/A 119.00 mm N/A Seal Guides
119.2 X 5.7 B-70 N/A
123889 		N/A Metric Standard O-Ring N/A Buna N/A N/A 5.70 mm N/A 70 N/A 119.20 mm N/A Seal Guides
119.2 X 5.7 B-90 N/A
123890 		N/A Metric Standard O-Ring N/A Buna N/A N/A 5.70 mm N/A 90 N/A 119.20 mm N/A Seal Guides
119.3 X 5.7 B-70 N/A
123891 		N/A Metric Standard O-Ring N/A Buna N/A N/A 5.70 mm N/A 70 N/A 119.30 mm N/A Seal Guides
119.3 X 5.7 B-90 N/A
123892 		N/A Metric Standard O-Ring N/A Buna N/A N/A 5.70 mm N/A 90 N/A 119.30 mm N/A Seal Guides
119.5 X 5.7 B-70 N/A
123893 		N/A Metric Standard O-Ring N/A Buna N/A N/A 5.70 mm N/A 70 N/A 119.50 mm N/A Seal Guides
119.5 X 5.7 B-90 N/A
123894 		N/A Metric Standard O-Ring N/A Buna N/A N/A 5.70 mm N/A 90 N/A 119.50 mm N/A Seal Guides
119.6 X 5.7 B-70 N/A
123895 		N/A Metric Standard O-Ring N/A Buna N/A P120 N/A 5.70 mm N/A 70 N/A 119.60 mm N/A Seal Guides
119.6 X 5.7 B-90 N/A
123896 		N/A Metric Standard O-Ring N/A Buna N/A P120 N/A 5.70 mm N/A 90 N/A 119.60 mm N/A Seal Guides
124 X 5.7 B-70 N/A
123897 		N/A Metric Standard O-Ring N/A Buna N/A N/A 5.70 mm N/A 70 N/A 124.00 mm N/A Seal Guides
124 X 5.7 B-90 N/A
123898 		N/A Metric Standard O-Ring N/A Buna N/A N/A 5.70 mm N/A 90 N/A 124.00 mm N/A Seal Guides
124.3 X 5.7 B-70 N/A
123899 		N/A Metric Standard O-Ring N/A Buna N/A N/A 5.70 mm N/A 70 N/A 124.30 mm N/A Seal Guides
124.3 X 5.7 B-90 N/A
123900 		N/A Metric Standard O-Ring N/A Buna N/A N/A 5.70 mm N/A 90 N/A 124.30 mm N/A Seal Guides
124.6 X 5.7 B-70 N/A
123901 		N/A Metric Standard O-Ring N/A Buna N/A P125 N/A 5.70 mm N/A 70 N/A 124.60 mm N/A Seal Guides
124.6 X 5.7 B-90 N/A
123902 		N/A Metric Standard O-Ring N/A Buna N/A P125 N/A 5.70 mm N/A 90 N/A 124.60 mm N/A Seal Guides
Unit of Measure
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