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
BS868 U-90 N/A
182366 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 90 N/A 5.625 in142.88 mm N/A 0.005 in0.13 mm N/A -868
BS867 U-70 N/A
182367 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 70 N/A 5.5 in139.70 mm N/A 0.005 in0.13 mm N/A -867
BS867 U-90 N/A
182368 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 90 N/A 5.5 in139.70 mm N/A 0.005 in0.13 mm N/A -867
BS866 U-70 N/A
182369 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 70 N/A 5.375 in136.53 mm N/A 0.005 in0.13 mm N/A -866
BS866 U-90 N/A
182370 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 90 N/A 5.375 in136.53 mm N/A 0.005 in0.13 mm N/A -866
BS865 U-70 N/A
182371 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 70 N/A 5.25 in133.35 mm N/A 0.005 in0.13 mm N/A -865
BS865 U-90 N/A
182372 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 90 N/A 5.25 in133.35 mm N/A 0.005 in0.13 mm N/A -865
BS864 U-70 N/A
182373 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 70 N/A 5.125 in130.18 mm N/A 0.005 in0.13 mm N/A -864
BS864 U-90 N/A
182374 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 90 N/A 5.125 in130.18 mm N/A 0.005 in0.13 mm N/A -864
BS863 U-70 N/A
182375 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 70 N/A 5.000 in127.00 mm N/A 0.005 in0.13 mm N/A -863
BS863 U-90 N/A
182376 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 90 N/A 5.000 in127.00 mm N/A 0.005 in0.13 mm N/A -863
BS862 U-70 N/A
182377 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 70 N/A 4.875 in123.83 mm N/A 0.005 in0.13 mm N/A -862
BS862 U-90 N/A
182378 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 90 N/A 4.875 in123.83 mm N/A 0.005 in0.13 mm N/A -862
BS861 U-70 N/A
182379 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 70 N/A 4.75 in120.65 mm N/A 0.005 in0.13 mm N/A -861
BS861 U-90 N/A
182380 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 90 N/A 4.75 in120.65 mm N/A 0.005 in0.13 mm N/A -861
BS860 U-70 N/A
182381 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 70 N/A 4.625 in117.48 mm N/A 0.005 in0.13 mm N/A -860
BS860 U-90 N/A
182382 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 90 N/A 4.625 in117.48 mm N/A 0.005 in0.13 mm N/A -860
BS846 U-70 N/A
182383 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 70 N/A 2.937 in74.60 mm N/A 0.004 in0.10 mm N/A -846
BS846 U-90 N/A
182384 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 90 N/A 2.937 in74.60 mm N/A 0.004 in0.10 mm N/A -846
BS845 U-70 N/A
182385 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 70 N/A 2.875 in73.03 mm N/A 0.004 in0.10 mm N/A -845
BS845 U-90 N/A
182386 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 90 N/A 2.875 in73.03 mm N/A 0.004 in0.10 mm N/A -845
BS844 U-70 N/A
182387 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 70 N/A 2.813 in71.44 mm N/A 0.004 in0.10 mm N/A -844
BS844 U-90 N/A
182388 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 90 N/A 2.813 in71.44 mm N/A 0.004 in0.10 mm N/A -844
BS843 U-70 N/A
182389 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 70 N/A 2.75 in69.85 mm N/A 0.004 in0.10 mm N/A -843
BS843 U-90 N/A
182390 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.139 in3.53 mm N/A 90 N/A 2.75 in69.85 mm N/A 0.004 in0.10 mm N/A -843
Unit of Measure
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