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 |
---|---|---|---|---|---|---|---|---|
BS6 U-70 |
IntegrationID
N/A 183241 |
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 0.114 in2.90 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -006 |
BS6 U-90 |
IntegrationID
N/A 183242 |
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 0.114 in2.90 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -006 |
BS5 U-70 |
IntegrationID
N/A 183243 |
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 0.101 in2.57 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -005 |
BS5 U-90 |
IntegrationID
N/A 183244 |
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 0.101 in2.57 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -005 |
BS4 U-70 |
IntegrationID
N/A 183245 |
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 0.070 in1.78 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -004 |
BS4 U-90 |
IntegrationID
N/A 183246 |
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 0.070 in1.78 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -004 |
BS3 U-70 |
IntegrationID
N/A 183247 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.060 in1.52 mm | Durometer N/A 70 | Inside Diameter N/A 0.056 in1.42 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -003 |
BS3 U-90 |
IntegrationID
N/A 183248 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.060 in1.52 mm | Durometer N/A 90 | Inside Diameter N/A 0.056 in1.42 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -003 |
BS2 U-70 |
IntegrationID
N/A 183249 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.050 in1.27 mm | Durometer N/A 70 | Inside Diameter N/A 0.042 in1.07 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -002 |
BS2 U-90 |
IntegrationID
N/A 183250 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.050 in1.27 mm | Durometer N/A 90 | Inside Diameter N/A 0.042 in1.07 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -002 |
BS445A U-70 |
IntegrationID
N/A 183251 |
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 8.225 in208.92 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -445A |
BS445A U-90 |
IntegrationID
N/A 183252 |
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 8.225 in208.92 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -445A |
BS446A U-70 |
IntegrationID
N/A 183253 |
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 8.725 in221.62 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -446A |
BS446A U-90 |
IntegrationID
N/A 183254 |
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 8.725 in221.62 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -446A |
BS447A U-70 |
IntegrationID
N/A 183255 |
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 9.225 in234.32 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -447A |
BS447A U-90 |
IntegrationID
N/A 183256 |
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 9.225 in234.32 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -447A |
BS448A U-70 |
IntegrationID
N/A 183257 |
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 9.725 in247.02 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -448A |
BS448A U-90 |
IntegrationID
N/A 183258 |
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 9.725 in247.02 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -448A |
BS449A U-70 |
IntegrationID
N/A 183259 |
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 10.225 in259.72 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -449A |
BS449A U-90 |
IntegrationID
N/A 183260 |
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 10.225 in259.72 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -449A |
BS450A U-70 |
IntegrationID
N/A 183261 |
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 10.725 in272.42 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -450A |
BS450A U-90 |
IntegrationID
N/A 183262 |
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 10.725 in272.42 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -450A |
BS451A U-70 |
IntegrationID
N/A 183263 |
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 11.225 in285.12 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -451A |
BS451A U-90 |
IntegrationID
N/A 183264 |
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 11.225 in285.12 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -451A |
BS452A U-70 |
IntegrationID
N/A 183265 |
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 11.725 in297.82 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -452A |