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