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
BS157 U-70 N/A
183041 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.103 in2.62 mm N/A 70 N/A 4.487 in113.97 mm N/A 0.003 in0.08 mm N/A -157
BS157 U-90 N/A
183042 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.103 in2.62 mm N/A 90 N/A 4.487 in113.97 mm N/A 0.003 in0.08 mm N/A -157
BS156 U-70 N/A
183043 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.103 in2.62 mm N/A 70 N/A 4.237 in107.62 mm N/A 0.003 in0.08 mm N/A -156
BS156 U-90 N/A
183044 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.103 in2.62 mm N/A 90 N/A 4.237 in107.62 mm N/A 0.003 in0.08 mm N/A -156
BS155 U-70 N/A
183045 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.103 in2.62 mm N/A 70 N/A 3.987 in101.27 mm N/A 0.003 in0.08 mm N/A -155
BS155 U-90 N/A
183046 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.103 in2.62 mm N/A 90 N/A 3.987 in101.27 mm N/A 0.003 in0.08 mm N/A -155
BS154 U-70 N/A
183047 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.103 in2.62 mm N/A 70 N/A 3.737 in94.92 mm N/A 0.003 in0.08 mm N/A -154
BS154 U-90 N/A
183048 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.103 in2.62 mm N/A 90 N/A 3.737 in94.92 mm N/A 0.003 in0.08 mm N/A -154
BS153 U-70 N/A
183049 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.103 in2.62 mm N/A 70 N/A 3.487 in88.57 mm N/A 0.003 in0.08 mm N/A -153
BS153 U-90 N/A
183050 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.103 in2.62 mm N/A 90 N/A 3.487 in88.57 mm N/A 0.003 in0.08 mm N/A -153
BS152 U-70 N/A
183051 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.103 in2.62 mm N/A 70 N/A 3.237 in82.22 mm N/A 0.003 in0.08 mm N/A -152
BS152 U-90 N/A
183052 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.103 in2.62 mm N/A 90 N/A 3.237 in82.22 mm N/A 0.003 in0.08 mm N/A -152
BS151 U-70 N/A
183053 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.103 in2.62 mm N/A 70 N/A 2.987 in75.87 mm N/A 0.003 in0.08 mm N/A -151
BS151 U-90 N/A
183054 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.103 in2.62 mm N/A 90 N/A 2.987 in75.87 mm N/A 0.003 in0.08 mm N/A -151
BS150 U-70 N/A
183055 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.103 in2.62 mm N/A 70 N/A 2.862 in72.69 mm N/A 0.003 in0.08 mm N/A -150
BS150 U-90 N/A
183056 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.103 in2.62 mm N/A 90 N/A 2.862 in72.69 mm N/A 0.003 in0.08 mm N/A -150
BS149 U-70 N/A
183057 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.103 in2.62 mm N/A 70 N/A 2.800 in71.12 mm N/A 0.003 in0.08 mm N/A -149
BS149 U-90 N/A
183058 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.103 in2.62 mm N/A 90 N/A 2.800 in71.12 mm N/A 0.003 in0.08 mm N/A -149
BS148 U-70 N/A
183059 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.103 in2.62 mm N/A 70 N/A 2.737 in69.52 mm N/A 0.003 in0.08 mm N/A -148
BS148 U-90 N/A
183060 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.103 in2.62 mm N/A 90 N/A 2.737 in69.52 mm N/A 0.003 in0.08 mm N/A -148
BS147 U-70 N/A
183061 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.103 in2.62 mm N/A 70 N/A 2.675 in67.95 mm N/A 0.003 in0.08 mm N/A -147
BS147 U-90 N/A
183062 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.103 in2.62 mm N/A 90 N/A 2.675 in67.95 mm N/A 0.003 in0.08 mm N/A -147
BS146 U-70 N/A
183063 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.103 in2.62 mm N/A 70 N/A 2.612 in66.34 mm N/A 0.003 in0.08 mm N/A -146
BS146 U-90 N/A
183064 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.103 in2.62 mm N/A 90 N/A 2.612 in66.34 mm N/A 0.003 in0.08 mm N/A -146
BS145 U-70 N/A
183065 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.103 in2.62 mm N/A 70 N/A 2.550 in64.77 mm N/A 0.003 in0.08 mm N/A -145
Unit of Measure
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