
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 | 
|---|---|---|---|---|---|---|---|---|---|---|
| BS19 U-90 | N/A 183216 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 90 | N/A 0.801 in20.35 mm | N/A 0.003 in0.08 mm | N/A -019 | N/A Seal Guides | |
| BS18 U-70 | N/A 183217 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 70 | N/A 0.739 in18.77 mm | N/A 0.003 in0.08 mm | N/A -018 | N/A Seal Guides | |
| BS18 U-90 | N/A 183218 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 90 | N/A 0.739 in18.77 mm | N/A 0.003 in0.08 mm | N/A -018 | N/A Seal Guides | |
| BS17 U-70 | N/A 183219 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 70 | N/A 0.676 in17.17 mm | N/A 0.003 in0.08 mm | N/A -017 | N/A Seal Guides | |
| BS17 U-90 | N/A 183220 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 90 | N/A 0.676 in17.17 mm | N/A 0.003 in0.08 mm | N/A -017 | N/A Seal Guides | |
| BS16 U-70 | N/A 183221 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 70 | N/A 0.614 in15.6 mm | N/A 0.003 in0.08 mm | N/A -016 | N/A Seal Guides | |
| BS16 U-90 | N/A 183222 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 90 | N/A 0.614 in15.6 mm | N/A 0.003 in0.08 mm | N/A -016 | N/A Seal Guides | |
| BS15 U-70 | N/A 183223 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 70 | N/A 0.551 in14.00 mm | N/A 0.003 in0.08 mm | N/A -015 | N/A Seal Guides | |
| BS15 U-90 | N/A 183224 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 90 | N/A 0.551 in14.00 mm | N/A 0.003 in0.08 mm | N/A -015 | N/A Seal Guides | |
| BS14 U-70 | N/A 183225 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 70 | N/A 0.489 in12.42 mm | N/A 0.003 in0.08 mm | N/A -014 | N/A Seal Guides | |
| BS14 U-90 | N/A 183226 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 90 | N/A 0.489 in12.42 mm | N/A 0.003 in0.08 mm | N/A -014 | N/A Seal Guides | |
| BS13 U-70 | N/A 183227 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 70 | N/A 0.426 in10.82 mm | N/A 0.003 in0.08 mm | N/A -013 | N/A Seal Guides | |
| BS13 U-90 | N/A 183228 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 90 | N/A 0.426 in10.82 mm | N/A 0.003 in0.08 mm | N/A -013 | N/A Seal Guides | |
| BS12 U-70 | N/A 183229 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 70 | N/A 0.364 in9.25 mm | N/A 0.003 in0.08 mm | N/A -012 | N/A Seal Guides | |
| BS12 U-90 | N/A 183230 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 90 | N/A 0.364 in9.25 mm | N/A 0.003 in0.08 mm | N/A -012 | N/A Seal Guides | |
| BS11 U-70 | N/A 183231 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 70 | N/A 0.301 in7.65 mm | N/A 0.003 in0.08 mm | N/A -011 | N/A Seal Guides | |
| BS11 U-90 | N/A 183232 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 90 | N/A 0.301 in7.65 mm | N/A 0.003 in0.08 mm | N/A -011 | N/A Seal Guides | |
| BS10 U-70 | N/A 183233 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 70 | N/A 0.239 in6.07 mm | N/A 0.003 in0.08 mm | N/A -010 | N/A Seal Guides | |
| BS10 U-90 | N/A 183234 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 90 | N/A 0.239 in6.07 mm | N/A 0.003 in0.08 mm | N/A -010 | N/A Seal Guides | |
| BS9 U-70 | N/A 183235 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 70 | N/A 0.208 in5.28 mm | N/A 0.003 in0.08 mm | N/A -009 | N/A Seal Guides | |
| BS9 U-90 | N/A 183236 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 90 | N/A 0.208 in5.28 mm | N/A 0.003 in0.08 mm | N/A -009 | N/A Seal Guides | |
| BS8 U-70 | N/A 183237 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 70 | N/A 0.176 in4.47 mm | N/A 0.003 in0.08 mm | N/A -008 | N/A Seal Guides | |
| BS8 U-90 | N/A 183238 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 90 | N/A 0.176 in4.47 mm | N/A 0.003 in0.08 mm | N/A -008 | N/A Seal Guides | |
| BS7 U-70 | N/A 183239 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 70 | N/A 0.145 in3.68 mm | N/A 0.003 in0.08 mm | N/A -007 | N/A Seal Guides | |
| BS7 U-90 | N/A 183240 | N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 90 | N/A 0.145 in3.68 mm | N/A 0.003 in0.08 mm | N/A -007 | N/A Seal Guides | 
