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 |
---|---|---|---|---|---|---|---|---|
BS546 U-70 |
IntegrationID
N/A 182541 |
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 4.86 in123.44 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -546 |
BS546 U-90 |
IntegrationID
N/A 182542 |
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 4.86 in123.44 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -546 |
BS544 U-70 |
IntegrationID
N/A 182543 |
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 4.61 in117.09 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -544 |
BS544 U-90 |
IntegrationID
N/A 182544 |
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 4.61 in117.09 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -544 |
BS542 U-70 |
IntegrationID
N/A 182545 |
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 4.36 in110.74 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -542 |
BS542 U-90 |
IntegrationID
N/A 182546 |
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 4.36 in110.74 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -542 |
BS540 U-70 |
IntegrationID
N/A 182547 |
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 4.110 in104.39 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -540 |
BS540 U-90 |
IntegrationID
N/A 182548 |
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 4.110 in104.39 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -540 |
BS538 U-70 |
IntegrationID
N/A 182549 |
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 3.86 in98.04 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -538 |
BS538 U-90 |
IntegrationID
N/A 182550 |
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 3.86 in98.04 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -538 |
BS536 U-70 |
IntegrationID
N/A 182551 |
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 3.61 in91.69 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -536 |
BS536 U-90 |
IntegrationID
N/A 182552 |
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 3.61 in91.69 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -536 |
BS534 U-70 |
IntegrationID
N/A 182553 |
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 3.36 in85.34 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -534 |
BS534 U-90 |
IntegrationID
N/A 182554 |
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 3.36 in85.34 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -534 |
BS532 U-70 |
IntegrationID
N/A 182555 |
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 3.11 in78.99 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -532 |
BS532 U-90 |
IntegrationID
N/A 182556 |
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 3.11 in78.99 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -532 |
BS519 U-70 |
IntegrationID
N/A 182557 |
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 1.553 in39.45 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -519 |
BS519 U-90 |
IntegrationID
N/A 182558 |
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 1.553 in39.45 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -519 |
BS517 U-70 |
IntegrationID
N/A 182559 |
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 1.428 in36.27 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -517 |
BS517 U-90 |
IntegrationID
N/A 182560 |
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 1.428 in36.27 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -517 |
BS475 U-70 |
IntegrationID
N/A 182561 |
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 25.9401 in658.88 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -475 |
BS475 U-90 |
IntegrationID
N/A 182562 |
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 25.9401 in658.88 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -475 |
BS474 U-70 |
IntegrationID
N/A 182563 |
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 24.940 in633.48 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -474 |
BS474 U-90 |
IntegrationID
N/A 182564 |
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 24.940 in633.48 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -474 |
BS473 U-70 |
IntegrationID
N/A 182565 |
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 23.940 in608.08 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -473 |