Monroe
OneMonroe
Locations Throughout the Country
ISO 9001:2015
Tel: (877) 740-2007
Fax: (800) 453-9683
Email: sales@askmonroe.com
Website: monroeengineering.com
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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.

BS O-Rings
Unit of Measure
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Item #

IntegrationID

Type

Material

Cross Section Width

Durometer

Inside Diameter

CSW Tolerance

BS Number

Quantity
BS381 U-70 N/A
182691 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 70 N/A 11.975 in304.17 mm N/A 0.005 in0.13 mm N/A -381
BS381 U-90 N/A
182692 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 90 N/A 11.975 in304.17 mm N/A 0.005 in0.13 mm N/A -381
BS380 U-70 N/A
182693 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 70 N/A 11.475 in291.47 mm N/A 0.005 in0.13 mm N/A -380
BS380 U-90 N/A
182694 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 90 N/A 11.475 in291.47 mm N/A 0.005 in0.13 mm N/A -380
BS379 U-70 N/A
182695 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 70 N/A 10.975 in278.77 mm N/A 0.005 in0.13 mm N/A -379
BS379 U-90 N/A
182696 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 90 N/A 10.975 in278.77 mm N/A 0.005 in0.13 mm N/A -379
BS378 U-70 N/A
182697 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 70 N/A 10.475 in266.07 mm N/A 0.005 in0.13 mm N/A -378
BS378 U-90 N/A
182698 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 90 N/A 10.475 in266.07 mm N/A 0.005 in0.13 mm N/A -378
BS377 U-70 N/A
182699 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 70 N/A 9.975 in253.37 mm N/A 0.005 in0.13 mm N/A -377
BS377 U-90 N/A
182700 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 90 N/A 9.975 in253.37 mm N/A 0.005 in0.13 mm N/A -377
BS376 U-70 N/A
182701 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 70 N/A 9.725 in247.02 mm N/A 0.005 in0.13 mm N/A -376
BS376 U-90 N/A
182702 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 90 N/A 9.725 in247.02 mm N/A 0.005 in0.13 mm N/A -376
BS375 U-70 N/A
182703 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 70 N/A 9.475 in240.67 mm N/A 0.005 in0.13 mm N/A -375
BS375 U-90 N/A
182704 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 90 N/A 9.475 in240.67 mm N/A 0.005 in0.13 mm N/A -375
BS374 U-70 N/A
182705 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 70 N/A 9.225 in234.32 mm N/A 0.005 in0.13 mm N/A -374
BS374 U-90 N/A
182706 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 90 N/A 9.225 in234.32 mm N/A 0.005 in0.13 mm N/A -374
BS373 U-70 N/A
182707 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 70 N/A 8.975 in227.97 mm N/A 0.005 in0.13 mm N/A -373
BS373 U-90 N/A
182708 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 90 N/A 8.975 in227.97 mm N/A 0.005 in0.13 mm N/A -373
BS372 U-70 N/A
182709 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 70 N/A 8.725 in221.62 mm N/A 0.005 in0.13 mm N/A -372
BS372 U-90 N/A
182710 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 90 N/A 8.725 in221.62 mm N/A 0.005 in0.13 mm N/A -372
BS371 U-70 N/A
182711 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 70 N/A 8.475 in215.27 mm N/A 0.005 in0.13 mm N/A -371
BS371 U-90 N/A
182712 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 90 N/A 8.475 in215.27 mm N/A 0.005 in0.13 mm N/A -371
BS370 U-70 N/A
182713 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 70 N/A 8.225 in208.92 mm N/A 0.005 in0.13 mm N/A -370
BS370 U-90 N/A
182714 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 90 N/A 8.225 in208.92 mm N/A 0.005 in0.13 mm N/A -370
BS369 U-70 N/A
182715 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 70 N/A 7.975 in202.57 mm N/A 0.005 in0.13 mm N/A -369
Unit of Measure
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