
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.
 
            | Item # | IntegrationID | Type | Material | Cross Section Width | Durometer | Inside Diameter | CSW Tolerance | BS Number | Product Guides | Quantity | 
|---|---|---|---|---|---|---|---|---|---|---|
| BS120 U-90 | N/A 183116 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.103 in2.62 mm | N/A 90 | N/A 0.987 in25.07 mm | N/A 0.003 in0.08 mm | N/A -120 | N/A Seal Guides | |
| BS119 U-70 | N/A 183117 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.103 in2.62 mm | N/A 70 | N/A 0.924 in23.47 mm | N/A 0.003 in0.08 mm | N/A -119 | N/A Seal Guides | |
| BS119 U-90 | N/A 183118 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.103 in2.62 mm | N/A 90 | N/A 0.924 in23.47 mm | N/A 0.003 in0.08 mm | N/A -119 | N/A Seal Guides | |
| BS118 U-70 | N/A 183119 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.103 in2.62 mm | N/A 70 | N/A 0.862 in21.89 mm | N/A 0.003 in0.08 mm | N/A -118 | N/A Seal Guides | |
| BS118 U-90 | N/A 183120 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.103 in2.62 mm | N/A 90 | N/A 0.862 in21.89 mm | N/A 0.003 in0.08 mm | N/A -118 | N/A Seal Guides | |
| BS117 U-70 | N/A 183121 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.103 in2.62 mm | N/A 70 | N/A 0.799 in20.29 mm | N/A 0.003 in0.08 mm | N/A -117 | N/A Seal Guides | |
| BS117 U-90 | N/A 183122 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.103 in2.62 mm | N/A 90 | N/A 0.799 in20.29 mm | N/A 0.003 in0.08 mm | N/A -117 | N/A Seal Guides | |
| BS116 U-70 | N/A 183123 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.103 in2.62 mm | N/A 70 | N/A 0.737 in18.72 mm | N/A 0.003 in0.08 mm | N/A -116 | N/A Seal Guides | |
| BS116 U-90 | N/A 183124 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.103 in2.62 mm | N/A 90 | N/A 0.737 in18.72 mm | N/A 0.003 in0.08 mm | N/A -116 | N/A Seal Guides | |
| BS115 U-70 | N/A 183125 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.103 in2.62 mm | N/A 70 | N/A 0.674 in17.12 mm | N/A 0.003 in0.08 mm | N/A -115 | N/A Seal Guides | |
| BS115 U-90 | N/A 183126 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.103 in2.62 mm | N/A 90 | N/A 0.674 in17.12 mm | N/A 0.003 in0.08 mm | N/A -115 | N/A Seal Guides | |
| BS114 U-70 | N/A 183127 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.103 in2.62 mm | N/A 70 | N/A 0.612 in15.54 mm | N/A 0.003 in0.08 mm | N/A -114 | N/A Seal Guides | |
| BS114 U-90 | N/A 183128 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.103 in2.62 mm | N/A 90 | N/A 0.612 in15.54 mm | N/A 0.003 in0.08 mm | N/A -114 | N/A Seal Guides | |
| BS113 U-70 | N/A 183129 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.103 in2.62 mm | N/A 70 | N/A 0.549 in13.94 mm | N/A 0.003 in0.08 mm | N/A -113 | N/A Seal Guides | |
| BS113 U-90 | N/A 183130 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.103 in2.62 mm | N/A 90 | N/A 0.549 in13.94 mm | N/A 0.003 in0.08 mm | N/A -113 | N/A Seal Guides | |
| BS112 U-70 | N/A 183131 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.103 in2.62 mm | N/A 70 | N/A 0.487 in12.37 mm | N/A 0.003 in0.08 mm | N/A -112 | N/A Seal Guides | |
| BS112 U-90 | N/A 183132 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.103 in2.62 mm | N/A 90 | N/A 0.487 in12.37 mm | N/A 0.003 in0.08 mm | N/A -112 | N/A Seal Guides | |
| BS111 U-70 | N/A 183133 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.103 in2.62 mm | N/A 70 | N/A 0.424 in10.77 mm | N/A 0.003 in0.08 mm | N/A -111 | N/A Seal Guides | |
| BS111 U-90 | N/A 183134 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.103 in2.62 mm | N/A 90 | N/A 0.424 in10.77 mm | N/A 0.003 in0.08 mm | N/A -111 | N/A Seal Guides | |
| BS110 U-70 | N/A 183135 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.103 in2.62 mm | N/A 70 | N/A 0.362 in9.19 mm | N/A 0.003 in0.08 mm | N/A -110 | N/A Seal Guides | |
| BS110 U-90 | N/A 183136 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.103 in2.62 mm | N/A 90 | N/A 0.362 in9.19 mm | N/A 0.003 in0.08 mm | N/A -110 | N/A Seal Guides | |
| BS109 U-70 | N/A 183137 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.103 in2.62 mm | N/A 70 | N/A 0.299 in7.59 mm | N/A 0.003 in0.08 mm | N/A -109 | N/A Seal Guides | |
| BS109 U-90 | N/A 183138 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.103 in2.62 mm | N/A 90 | N/A 0.299 in7.59 mm | N/A 0.003 in0.08 mm | N/A -109 | N/A Seal Guides | |
| BS108 U-70 | N/A 183139 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.103 in2.62 mm | N/A 70 | N/A 0.237 in6.02 mm | N/A 0.003 in0.08 mm | N/A -108 | N/A Seal Guides | |
| BS108 U-90 | N/A 183140 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.103 in2.62 mm | N/A 90 | N/A 0.237 in6.02 mm | N/A 0.003 in0.08 mm | N/A -108 | N/A Seal Guides | 
