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 |
---|---|---|---|---|---|---|---|---|
BS31 U-70 |
IntegrationID
N/A 183191 |
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 1.739 in44.17 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -031 |
BS31 U-90 |
IntegrationID
N/A 183192 |
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 1.739 in44.17 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -031 |
BS30 U-70 |
IntegrationID
N/A 183193 |
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 1.614 in41.00 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -030 |
BS30 U-90 |
IntegrationID
N/A 183194 |
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 1.614 in41.00 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -030 |
BS29 U-70 |
IntegrationID
N/A 183195 |
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 1.489 in37.82 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -029 |
BS29 U-90 |
IntegrationID
N/A 183196 |
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 1.489 in37.82 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -029 |
BS28 U-70 |
IntegrationID
N/A 183197 |
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 1.364 in34.65 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -028 |
BS28 U-90 |
IntegrationID
N/A 183198 |
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 1.364 in34.65 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -028 |
BS27 U-70 |
IntegrationID
N/A 183199 |
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 1.301 in33.05 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -027 |
BS27 U-90 |
IntegrationID
N/A 183200 |
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 1.301 in33.05 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -027 |
BS26 U-70 |
IntegrationID
N/A 183201 |
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 1.239 in31.47 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -026 |
BS26 U-90 |
IntegrationID
N/A 183202 |
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 1.239 in31.47 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -026 |
BS25 U-70 |
IntegrationID
N/A 183203 |
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 1.176 in29.87 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -025 |
BS25 U-90 |
IntegrationID
N/A 183204 |
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 1.176 in29.87 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -025 |
BS24 U-70 |
IntegrationID
N/A 183205 |
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 1.114 in28.30 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -024 |
BS24 U-90 |
IntegrationID
N/A 183206 |
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 1.114 in28.30 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -024 |
BS23 U-70 |
IntegrationID
N/A 183207 |
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 1.051 in26.70 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -023 |
BS23 U-90 |
IntegrationID
N/A 183208 |
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 1.051 in26.70 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -023 |
BS22 U-70 |
IntegrationID
N/A 183209 |
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 0.989 in25.12 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -022 |
BS22 U-90 |
IntegrationID
N/A 183210 |
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 0.989 in25.12 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -022 |
BS21 U-70 |
IntegrationID
N/A 183211 |
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 0.926 in23.52 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -021 |
BS21 U-90 |
IntegrationID
N/A 183212 |
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 0.926 in23.52 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -021 |
BS20 U-70 |
IntegrationID
N/A 183213 |
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 0.864 in21.95 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -020 |
BS20 U-90 |
IntegrationID
N/A 183214 |
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 0.864 in21.95 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -020 |
BS19 U-70 |
IntegrationID
N/A 183215 |
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 0.801 in20.35 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -019 |