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 |
---|---|---|---|---|---|---|---|---|
BS561 U-90 |
IntegrationID
N/A 182516 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A 90 | Inside Diameter N/A 6.72 in170.69 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -561 |
BS560 U-70 |
IntegrationID
N/A 182517 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A 70 | Inside Diameter N/A 6.695 in170.05 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -560 |
BS560 U-90 |
IntegrationID
N/A 182518 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A 90 | Inside Diameter N/A 6.695 in170.05 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -560 |
BS559 U-70 |
IntegrationID
N/A 182519 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A 70 | Inside Diameter N/A 6.470 in164.34 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -559 |
BS559 U-90 |
IntegrationID
N/A 182520 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A 90 | Inside Diameter N/A 6.470 in164.34 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -559 |
BS558 U-70 |
IntegrationID
N/A 182521 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A 70 | Inside Diameter N/A 6.345 in161.16 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -558 |
BS558 U-90 |
IntegrationID
N/A 182522 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A 90 | Inside Diameter N/A 6.345 in161.16 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -558 |
BS557 U-70 |
IntegrationID
N/A 182523 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A 70 | Inside Diameter N/A 6.22 in157.99 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -557 |
BS557 U-90 |
IntegrationID
N/A 182524 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A 90 | Inside Diameter N/A 6.22 in157.99 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -557 |
BS556 U-70 |
IntegrationID
N/A 182525 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A 70 | Inside Diameter N/A 6.095 in154.81 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -556 |
BS556 U-90 |
IntegrationID
N/A 182526 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A 90 | Inside Diameter N/A 6.095 in154.81 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -556 |
BS555 U-70 |
IntegrationID
N/A 182527 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A 70 | Inside Diameter N/A 5.97 in151.64 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -555 |
BS555 U-90 |
IntegrationID
N/A 182528 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A 90 | Inside Diameter N/A 5.97 in151.64 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -555 |
BS554 U-70 |
IntegrationID
N/A 182529 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A 70 | Inside Diameter N/A 5.845 in148.46 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -554 |
BS554 U-90 |
IntegrationID
N/A 182530 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A 90 | Inside Diameter N/A 5.845 in148.46 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -554 |
BS553 U-70 |
IntegrationID
N/A 182531 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A 70 | Inside Diameter N/A 5.72 in145.29 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -553 |
BS553 U-90 |
IntegrationID
N/A 182532 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A 90 | Inside Diameter N/A 5.72 in145.29 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -553 |
BS552 U-70 |
IntegrationID
N/A 182533 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A 70 | Inside Diameter N/A 5.595 in142.11 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -552 |
BS552 U-90 |
IntegrationID
N/A 182534 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A 90 | Inside Diameter N/A 5.595 in142.11 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -552 |
BS551 U-70 |
IntegrationID
N/A 182535 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A 70 | Inside Diameter N/A 5.47 in138.94 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -551 |
BS551 U-90 |
IntegrationID
N/A 182536 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A 90 | Inside Diameter N/A 5.47 in138.94 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -551 |
BS550 U-70 |
IntegrationID
N/A 182537 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A 70 | Inside Diameter N/A 5.345 in135.76 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -550 |
BS550 U-90 |
IntegrationID
N/A 182538 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A 90 | Inside Diameter N/A 5.345 in135.76 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -550 |
BS548 U-70 |
IntegrationID
N/A 182539 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A 70 | Inside Diameter N/A 5.095 in129.41 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -548 |
BS548 U-90 |
IntegrationID
N/A 182540 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A 90 | Inside Diameter N/A 5.095 in129.41 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -548 |