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 |
---|---|---|---|---|---|---|---|---|
BS229 U-70 |
IntegrationID
N/A 182941 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 2.359 in59.92 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -229 |
BS229 U-90 |
IntegrationID
N/A 182942 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 90 | Inside Diameter N/A 2.359 in59.92 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -229 |
BS228 U-70 |
IntegrationID
N/A 182943 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 2.234 in56.74 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -228 |
BS228 U-90 |
IntegrationID
N/A 182944 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 90 | Inside Diameter N/A 2.234 in56.74 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -228 |
BS227 U-70 |
IntegrationID
N/A 182945 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 2.109 in53.57 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -227 |
BS227 U-90 |
IntegrationID
N/A 182946 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 90 | Inside Diameter N/A 2.109 in53.57 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -227 |
BS226 U-70 |
IntegrationID
N/A 182947 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 1.984 in50.39 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -226 |
BS226 U-90 |
IntegrationID
N/A 182948 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 90 | Inside Diameter N/A 1.984 in50.39 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -226 |
BS225 U-70 |
IntegrationID
N/A 182949 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 1.859 in47.22 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -225 |
BS225 U-90 |
IntegrationID
N/A 182950 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 90 | Inside Diameter N/A 1.859 in47.22 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -225 |
BS224 U-70 |
IntegrationID
N/A 182951 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 1.734 in44.04 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -224 |
BS224 U-90 |
IntegrationID
N/A 182952 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 90 | Inside Diameter N/A 1.734 in44.04 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -224 |
BS223 U-70 |
IntegrationID
N/A 182953 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 1.609 in40.87 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -223 |
BS223 U-90 |
IntegrationID
N/A 182954 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 90 | Inside Diameter N/A 1.609 in40.87 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -223 |
BS222 U-70 |
IntegrationID
N/A 182955 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 1.484 in37.69 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -222 |
BS222 U-90 |
IntegrationID
N/A 182956 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 90 | Inside Diameter N/A 1.484 in37.69 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -222 |
BS221 U-70 |
IntegrationID
N/A 182957 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 1.421 in36.09 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -221 |
BS221 U-90 |
IntegrationID
N/A 182958 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 90 | Inside Diameter N/A 1.421 in36.09 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -221 |
BS220 U-70 |
IntegrationID
N/A 182959 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 1.359 in34.52 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -220 |
BS220 U-90 |
IntegrationID
N/A 182960 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 90 | Inside Diameter N/A 1.359 in34.52 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -220 |
BS219 U-70 |
IntegrationID
N/A 182961 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 1.296 in32.92 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -219 |
BS219 U-90 |
IntegrationID
N/A 182962 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 90 | Inside Diameter N/A 1.296 in32.92 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -219 |
BS218 U-70 |
IntegrationID
N/A 182963 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 1.234 in31.34 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -218 |
BS218 U-90 |
IntegrationID
N/A 182964 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 90 | Inside Diameter N/A 1.234 in31.34 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -218 |
BS217 U-70 |
IntegrationID
N/A 182965 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 1.171 in29.74 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -217 |