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
BS806 U-70 N/A
182441 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.070 in1.78 mm N/A 70 N/A 0.437 in11.10 mm N/A 0.003 in0.08 mm N/A -806
BS806 U-90 N/A
182442 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.070 in1.78 mm N/A 90 N/A 0.437 in11.10 mm N/A 0.003 in0.08 mm N/A -806
BS804 U-70 N/A
182443 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.070 in1.78 mm N/A 70 N/A 0.313 in7.94 mm N/A 0.003 in0.08 mm N/A -804
BS804 U-90 N/A
182444 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.070 in1.78 mm N/A 90 N/A 0.313 in7.94 mm N/A 0.003 in0.08 mm N/A -804
BS803 U-70 N/A
182445 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.070 in1.78 mm N/A 70 N/A 0.25 in6.35 mm N/A 0.003 in0.08 mm N/A -803
BS803 U-90 N/A
182446 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.070 in1.78 mm N/A 90 N/A 0.25 in6.35 mm N/A 0.003 in0.08 mm N/A -803
BS802 U-70 N/A
182447 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.070 in1.78 mm N/A 70 N/A 0.187 in4.75 mm N/A 0.003 in0.08 mm N/A -802
BS802 U-90 N/A
182448 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.070 in1.78 mm N/A 90 N/A 0.187 in4.75 mm N/A 0.003 in0.08 mm N/A -802
BS801 U-70 N/A
182449 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.070 in1.78 mm N/A 70 N/A 0.125 in3.18 mm N/A 0.003 in0.08 mm N/A -801
BS801 U-90 N/A
182450 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.070 in1.78 mm N/A 90 N/A 0.125 in3.18 mm N/A 0.003 in0.08 mm N/A -801
BS650 U-70 N/A
182451 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.275 in6.99 mm N/A 70 N/A 13.225 in335.92 mm N/A 0.006 in0.15 mm N/A -650
BS650 U-90 N/A
182452 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.275 in6.99 mm N/A 90 N/A 13.225 in335.92 mm N/A 0.006 in0.15 mm N/A -650
BS649 U-70 N/A
182453 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.275 in6.99 mm N/A 70 N/A 12.725 in323.22 mm N/A 0.006 in0.15 mm N/A -649
BS649 U-90 N/A
182454 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.275 in6.99 mm N/A 90 N/A 12.725 in323.22 mm N/A 0.006 in0.15 mm N/A -649
BS648 U-70 N/A
182455 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.275 in6.99 mm N/A 70 N/A 12.225 in310.52 mm N/A 0.006 in0.15 mm N/A -648
BS648 U-90 N/A
182456 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.275 in6.99 mm N/A 90 N/A 12.225 in310.52 mm N/A 0.006 in0.15 mm N/A -648
BS647 U-70 N/A
182457 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 70 N/A 6.85 in173.99 mm N/A 0.005 in0.13 mm N/A -647
BS647 U-90 N/A
182458 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 90 N/A 6.85 in173.99 mm N/A 0.005 in0.13 mm N/A -647
BS646 U-70 N/A
182459 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 70 N/A 6.600 in167.64 mm N/A 0.005 in0.13 mm N/A -646
BS646 U-90 N/A
182460 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 90 N/A 6.600 in167.64 mm N/A 0.005 in0.13 mm N/A -646
BS645 U-70 N/A
182461 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 70 N/A 6.35 in161.29 mm N/A 0.005 in0.13 mm N/A -645
BS645 U-90 N/A
182462 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 90 N/A 6.35 in161.29 mm N/A 0.005 in0.13 mm N/A -645
BS644 U-70 N/A
182463 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 70 N/A 6.100 in154.94 mm N/A 0.005 in0.13 mm N/A -644
BS644 U-90 N/A
182464 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.210 in5.33 mm N/A 90 N/A 6.100 in154.94 mm N/A 0.005 in0.13 mm N/A -644
BS643 U-70 N/A
182465 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.103 in2.62 mm N/A 70 N/A 3.299 in83.79 mm N/A 0.003 in0.08 mm N/A -643
Unit of Measure
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