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
BS319 U-90 N/A
182816 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 90 N/A 1.037 in26.34 mm N/A 0.005 in0.13 mm N/A -319
BS318 U-70 N/A
182817 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 70 N/A 0.975 in24.77 mm N/A 0.005 in0.13 mm N/A -318
BS318 U-90 N/A
182818 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 90 N/A 0.975 in24.77 mm N/A 0.005 in0.13 mm N/A -318
BS317 U-70 N/A
182819 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 70 N/A 0.912 in23.16 mm N/A 0.005 in0.13 mm N/A -317
BS317 U-90 N/A
182820 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 90 N/A 0.912 in23.16 mm N/A 0.005 in0.13 mm N/A -317
BS316 U-70 N/A
182821 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 70 N/A 0.850 in21.59 mm N/A 0.005 in0.13 mm N/A -316
BS316 U-90 N/A
182822 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 90 N/A 0.850 in21.59 mm N/A 0.005 in0.13 mm N/A -316
BS315 U-70 N/A
182823 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 70 N/A 0.787 in19.99 mm N/A 0.005 in0.13 mm N/A -315
BS315 U-90 N/A
182824 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 90 N/A 0.787 in19.99 mm N/A 0.005 in0.13 mm N/A -315
BS314 U-70 N/A
182825 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 70 N/A 0.725 in18.42 mm N/A 0.005 in0.13 mm N/A -314
BS314 U-90 N/A
182826 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 90 N/A 0.725 in18.42 mm N/A 0.005 in0.13 mm N/A -314
BS313 U-70 N/A
182827 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 70 N/A 0.662 in16.81 mm N/A 0.005 in0.13 mm N/A -313
BS313 U-90 N/A
182828 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 90 N/A 0.662 in16.81 mm N/A 0.005 in0.13 mm N/A -313
BS312 U-70 N/A
182829 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 70 N/A 0.600 in15.24 mm N/A 0.005 in0.13 mm N/A -312
BS312 U-90 N/A
182830 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 90 N/A 0.600 in15.24 mm N/A 0.005 in0.13 mm N/A -312
BS311 U-70 N/A
182831 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 70 N/A 0.537 in13.64 mm N/A 0.005 in0.13 mm N/A -311
BS311 U-90 N/A
182832 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 90 N/A 0.537 in13.64 mm N/A 0.005 in0.13 mm N/A -311
BS310 U-70 N/A
182833 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 70 N/A 0.475 in12.07 mm N/A 0.005 in0.13 mm N/A -310
BS310 U-90 N/A
182834 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 90 N/A 0.475 in12.07 mm N/A 0.005 in0.13 mm N/A -310
BS309 U-70 N/A
182835 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 70 N/A 0.412 in10.46 mm N/A 0.005 in0.13 mm N/A -309
BS309 U-90 N/A
182836 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 90 N/A 0.412 in10.46 mm N/A 0.005 in0.13 mm N/A -309
BS281 U-70 N/A
182837 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 70 N/A 14.984 in380.59 mm N/A 0.004 in0.10 mm N/A -281
BS281 U-90 N/A
182838 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 90 N/A 14.984 in380.59 mm N/A 0.004 in0.10 mm N/A -281
BS280 U-70 N/A
182839 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 70 N/A 13.984 in355.19 mm N/A 0.004 in0.10 mm N/A -280
BS280 U-90 N/A
182840 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 90 N/A 13.984 in355.19 mm N/A 0.004 in0.10 mm N/A -280
Unit of Measure
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