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.

Unit of Measure
Items
BS O-Rings

BS Polyurethane O-Rings

BS O-Rings

BS Polyurethane O-Rings

BS O-Rings

BS Polyurethane O-Rings

BS O-Rings

BS Polyurethane O-Rings

BS O-Rings

BS Polyurethane O-Rings
Type N/A BS Standard O-Ring
Material
N/A Polyurethane
Cross Section Width
N/A 0.064 in1.63 mm N/A 0.064 in1.63 mm N/A 0.064 in1.63 mm N/A 0.064 in1.63 mm N/A 0.275 in6.99 mm
Durometer
N/A 70 N/A 90 N/A 70 N/A 90 N/A 70
Inside Diameter
N/A 0.301 in7.65 mm N/A 0.301 in7.65 mm N/A 0.239 in6.07 mm N/A 0.239 in6.07 mm N/A 7.875 in200.03 mm
CSW Tolerance N/A 0.003 in0.08 mm N/A 0.003 in0.08 mm N/A 0.003 in0.08 mm N/A 0.003 in0.08 mm N/A 0.006 in0.15 mm
BS Number N/A -903 N/A -903 N/A -902 N/A -902 N/A -886
O-Ring Industries N/A O-rings are used in the military defense and agriculture industries.