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 |
---|---|---|---|---|---|---|---|---|
BS448 U-90 |
IntegrationID
N/A 182616 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 90 | Inside Diameter N/A 9.475 in240.67 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -448 |
BS447 U-70 |
IntegrationID
N/A 182617 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 8.975 in227.97 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -447 |
BS447 U-90 |
IntegrationID
N/A 182618 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 90 | Inside Diameter N/A 8.975 in227.97 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -447 |
BS446 U-70 |
IntegrationID
N/A 182619 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 8.475 in215.27 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -446 |
BS446 U-90 |
IntegrationID
N/A 182620 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 90 | Inside Diameter N/A 8.475 in215.27 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -446 |
BS445 U-70 |
IntegrationID
N/A 182621 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 7.975 in202.57 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -445 |
BS445 U-90 |
IntegrationID
N/A 182622 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 90 | Inside Diameter N/A 7.975 in202.57 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -445 |
BS444 U-70 |
IntegrationID
N/A 182623 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 7.725 in196.22 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -444 |
BS444 U-90 |
IntegrationID
N/A 182624 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 90 | Inside Diameter N/A 7.725 in196.22 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -444 |
BS443 U-70 |
IntegrationID
N/A 182625 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 7.475 in189.87 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -443 |
BS443 U-90 |
IntegrationID
N/A 182626 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 90 | Inside Diameter N/A 7.475 in189.87 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -443 |
BS442 U-70 |
IntegrationID
N/A 182627 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 7.225 in183.52 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -442 |
BS442 U-90 |
IntegrationID
N/A 182628 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 90 | Inside Diameter N/A 7.225 in183.52 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -442 |
BS441 U-70 |
IntegrationID
N/A 182629 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 6.975 in177.17 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -441 |
BS441 U-90 |
IntegrationID
N/A 182630 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 90 | Inside Diameter N/A 6.975 in177.17 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -441 |
BS440 U-70 |
IntegrationID
N/A 182631 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 6.725 in170.82 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -440 |
BS440 U-90 |
IntegrationID
N/A 182632 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 90 | Inside Diameter N/A 6.725 in170.82 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -440 |
BS439 U-70 |
IntegrationID
N/A 182633 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 6.475 in164.47 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -439 |
BS439 U-90 |
IntegrationID
N/A 182634 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 90 | Inside Diameter N/A 6.475 in164.47 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -439 |
BS438 U-70 |
IntegrationID
N/A 182635 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 6.225 in158.12 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -438 |
BS438 U-90 |
IntegrationID
N/A 182636 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 90 | Inside Diameter N/A 6.225 in158.12 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -438 |
BS437 U-70 |
IntegrationID
N/A 182637 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 5.975 in151.77 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -437 |
BS437 U-90 |
IntegrationID
N/A 182638 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 90 | Inside Diameter N/A 5.975 in151.77 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -437 |
BS436 U-70 |
IntegrationID
N/A 182639 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 5.850 in148.59 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -436 |
BS436 U-90 |
IntegrationID
N/A 182640 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 90 | Inside Diameter N/A 5.850 in148.59 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -436 |