Monroe
OneMonroe
Locations Throughout the Country
ISO 9001:2015
Tel: (877) 740-2007
Fax: (800) 453-9683
Email: sales@askmonroe.com
Website: monroeengineering.com
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OneMonroe Polyurethane O-Rings are designed for applications that demand superior wear resistance, flexibility, and resilience. Constructed from high-quality polyurethane material, these O-rings offer an excellent balance between strength and elasticity, making them perfect for heavy-duty applications where traditional rubber rings may fail. Polyurethane is renowned for its exceptional tear resistance, abrasion tolerance, and longevity, enabling OneMonroe O-Rings to deliver reliable performance even in challenging environments. From industrial machinery and automotive components to hydraulic and pneumatic systems, our polyurethane O-rings provide a dependable seal in numerous applications.

These O-rings are manufactured to precise standards, ensuring a consistent and reliable fit for various equipment and machinery. Polyurethane material is particularly well-suited for sealing applications that encounter high-pressure or high-vibration conditions, as it is less prone to deformation and degradation over time. Available in a broad range of sizes, OneMonroe Polyurethane O-Rings meet diverse requirements, providing dependable sealing solutions that minimize maintenance and downtime. Our commitment to quality means each O-ring undergoes rigorous testing to ensure optimal performance, whether in low-friction, static sealing, or dynamic, high-motion environments.

At Monroe, we prioritize durability, efficiency, and adaptability in every product we offer. Our polyurethane O-rings are specifically engineered for durability and longevity, reducing the need for frequent replacements. For industries where reliability is essential, OneMonroe Polyurethane O-Rings provide a practical and cost-effective solution that withstands the rigors of daily operation. Whether you need to upgrade an existing system or are working on a new project, OneMonroe offers the high-performance polyurethane O-rings you can count on to keep your equipment running smoothly and effectively.

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

BS O-Rings
Unit of Measure
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Item #

IntegrationID

Type

Material

Cross Section Width

Durometer

Inside Diameter

CSW Tolerance

BS Number

Quantity
BS267 U-90 N/A
182866 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 90 N/A 8.234 in209.14 mm N/A 0.004 in0.10 mm N/A -267
BS266 U-70 N/A
182867 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 70 N/A 7.984 in202.79 mm N/A 0.004 in0.10 mm N/A -266
BS266 U-90 N/A
182868 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 90 N/A 7.984 in202.79 mm N/A 0.004 in0.10 mm N/A -266
BS265 U-70 N/A
182869 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 70 N/A 7.734 in196.44 mm N/A 0.004 in0.10 mm N/A -265
BS265 U-90 N/A
182870 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 90 N/A 7.734 in196.44 mm N/A 0.004 in0.10 mm N/A -265
BS264 U-70 N/A
182871 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 70 N/A 7.484 in190.09 mm N/A 0.004 in0.10 mm N/A -264
BS264 U-90 N/A
182872 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 90 N/A 7.484 in190.09 mm N/A 0.004 in0.10 mm N/A -264
BS263 U-70 N/A
182873 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 70 N/A 7.234 in183.74 mm N/A 0.004 in0.10 mm N/A -263
BS263 U-90 N/A
182874 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 90 N/A 7.234 in183.74 mm N/A 0.004 in0.10 mm N/A -263
BS262 U-70 N/A
182875 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 70 N/A 6.984 in177.39 mm N/A 0.004 in0.10 mm N/A -262
BS262 U-90 N/A
182876 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 90 N/A 6.984 in177.39 mm N/A 0.004 in0.10 mm N/A -262
BS261 U-70 N/A
182877 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 70 N/A 6.734 in171.04 mm N/A 0.004 in0.10 mm N/A -261
BS261 U-90 N/A
182878 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 90 N/A 6.734 in171.04 mm N/A 0.004 in0.10 mm N/A -261
BS260 U-70 N/A
182879 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 70 N/A 6.484 in164.69 mm N/A 0.004 in0.10 mm N/A -260
BS260 U-90 N/A
182880 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 90 N/A 6.484 in164.69 mm N/A 0.004 in0.10 mm N/A -260
BS259 U-70 N/A
182881 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 70 N/A 6.234 in158.34 mm N/A 0.004 in0.10 mm N/A -259
BS259 U-90 N/A
182882 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 90 N/A 6.234 in158.34 mm N/A 0.004 in0.10 mm N/A -259
BS258 U-70 N/A
182883 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 70 N/A 5.984 in151.99 mm N/A 0.004 in0.10 mm N/A -258
BS258 U-90 N/A
182884 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 90 N/A 5.984 in151.99 mm N/A 0.004 in0.10 mm N/A -258
BS257 U-70 N/A
182885 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 70 N/A 5.859 in148.82 mm N/A 0.004 in0.10 mm N/A -257
BS257 U-90 N/A
182886 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 90 N/A 5.859 in148.82 mm N/A 0.004 in0.10 mm N/A -257
BS256 U-70 N/A
182887 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 70 N/A 5.734 in145.64 mm N/A 0.004 in0.10 mm N/A -256
BS256 U-90 N/A
182888 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 90 N/A 5.734 in145.64 mm N/A 0.004 in0.10 mm N/A -256
BS255 U-70 N/A
182889 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 70 N/A 5.609 in142.47 mm N/A 0.004 in0.10 mm N/A -255
BS255 U-90 N/A
182890 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 90 N/A 5.609 in142.47 mm N/A 0.004 in0.10 mm N/A -255
Unit of Measure
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