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 |
---|---|---|---|---|---|---|---|---|
BS157 U-70 |
IntegrationID
N/A 183041 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 4.487 in113.97 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -157 |
BS157 U-90 |
IntegrationID
N/A 183042 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 90 | Inside Diameter N/A 4.487 in113.97 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -157 |
BS156 U-70 |
IntegrationID
N/A 183043 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 4.237 in107.62 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -156 |
BS156 U-90 |
IntegrationID
N/A 183044 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 90 | Inside Diameter N/A 4.237 in107.62 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -156 |
BS155 U-70 |
IntegrationID
N/A 183045 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 3.987 in101.27 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -155 |
BS155 U-90 |
IntegrationID
N/A 183046 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 90 | Inside Diameter N/A 3.987 in101.27 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -155 |
BS154 U-70 |
IntegrationID
N/A 183047 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 3.737 in94.92 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -154 |
BS154 U-90 |
IntegrationID
N/A 183048 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 90 | Inside Diameter N/A 3.737 in94.92 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -154 |
BS153 U-70 |
IntegrationID
N/A 183049 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 3.487 in88.57 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -153 |
BS153 U-90 |
IntegrationID
N/A 183050 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 90 | Inside Diameter N/A 3.487 in88.57 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -153 |
BS152 U-70 |
IntegrationID
N/A 183051 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 3.237 in82.22 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -152 |
BS152 U-90 |
IntegrationID
N/A 183052 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 90 | Inside Diameter N/A 3.237 in82.22 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -152 |
BS151 U-70 |
IntegrationID
N/A 183053 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 2.987 in75.87 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -151 |
BS151 U-90 |
IntegrationID
N/A 183054 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 90 | Inside Diameter N/A 2.987 in75.87 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -151 |
BS150 U-70 |
IntegrationID
N/A 183055 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 2.862 in72.69 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -150 |
BS150 U-90 |
IntegrationID
N/A 183056 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 90 | Inside Diameter N/A 2.862 in72.69 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -150 |
BS149 U-70 |
IntegrationID
N/A 183057 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 2.800 in71.12 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -149 |
BS149 U-90 |
IntegrationID
N/A 183058 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 90 | Inside Diameter N/A 2.800 in71.12 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -149 |
BS148 U-70 |
IntegrationID
N/A 183059 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 2.737 in69.52 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -148 |
BS148 U-90 |
IntegrationID
N/A 183060 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 90 | Inside Diameter N/A 2.737 in69.52 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -148 |
BS147 U-70 |
IntegrationID
N/A 183061 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 2.675 in67.95 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -147 |
BS147 U-90 |
IntegrationID
N/A 183062 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 90 | Inside Diameter N/A 2.675 in67.95 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -147 |
BS146 U-70 |
IntegrationID
N/A 183063 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 2.612 in66.34 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -146 |
BS146 U-90 |
IntegrationID
N/A 183064 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 90 | Inside Diameter N/A 2.612 in66.34 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -146 |
BS145 U-70 |
IntegrationID
N/A 183065 |
Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 2.550 in64.77 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -145 |