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 |
---|---|---|---|---|---|---|---|---|
BS381 U-70 |
IntegrationID
N/A 182691 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 11.975 in304.17 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -381 |
BS381 U-90 |
IntegrationID
N/A 182692 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 90 | Inside Diameter N/A 11.975 in304.17 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -381 |
BS380 U-70 |
IntegrationID
N/A 182693 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 11.475 in291.47 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -380 |
BS380 U-90 |
IntegrationID
N/A 182694 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 90 | Inside Diameter N/A 11.475 in291.47 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -380 |
BS379 U-70 |
IntegrationID
N/A 182695 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 10.975 in278.77 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -379 |
BS379 U-90 |
IntegrationID
N/A 182696 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 90 | Inside Diameter N/A 10.975 in278.77 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -379 |
BS378 U-70 |
IntegrationID
N/A 182697 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 10.475 in266.07 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -378 |
BS378 U-90 |
IntegrationID
N/A 182698 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 90 | Inside Diameter N/A 10.475 in266.07 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -378 |
BS377 U-70 |
IntegrationID
N/A 182699 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 9.975 in253.37 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -377 |
BS377 U-90 |
IntegrationID
N/A 182700 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 90 | Inside Diameter N/A 9.975 in253.37 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -377 |
BS376 U-70 |
IntegrationID
N/A 182701 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 9.725 in247.02 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -376 |
BS376 U-90 |
IntegrationID
N/A 182702 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 90 | Inside Diameter N/A 9.725 in247.02 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -376 |
BS375 U-70 |
IntegrationID
N/A 182703 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 9.475 in240.67 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -375 |
BS375 U-90 |
IntegrationID
N/A 182704 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 90 | Inside Diameter N/A 9.475 in240.67 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -375 |
BS374 U-70 |
IntegrationID
N/A 182705 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 9.225 in234.32 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -374 |
BS374 U-90 |
IntegrationID
N/A 182706 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 90 | Inside Diameter N/A 9.225 in234.32 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -374 |
BS373 U-70 |
IntegrationID
N/A 182707 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 8.975 in227.97 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -373 |
BS373 U-90 |
IntegrationID
N/A 182708 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 90 | Inside Diameter N/A 8.975 in227.97 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -373 |
BS372 U-70 |
IntegrationID
N/A 182709 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 8.725 in221.62 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -372 |
BS372 U-90 |
IntegrationID
N/A 182710 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 90 | Inside Diameter N/A 8.725 in221.62 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -372 |
BS371 U-70 |
IntegrationID
N/A 182711 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 8.475 in215.27 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -371 |
BS371 U-90 |
IntegrationID
N/A 182712 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 90 | Inside Diameter N/A 8.475 in215.27 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -371 |
BS370 U-70 |
IntegrationID
N/A 182713 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 8.225 in208.92 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -370 |
BS370 U-90 |
IntegrationID
N/A 182714 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 90 | Inside Diameter N/A 8.225 in208.92 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -370 |
BS369 U-70 |
IntegrationID
N/A 182715 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 7.975 in202.57 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -369 |