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

Product Guides

Quantity
BS44 U-90 N/A
183166 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.070 in1.78 mm N/A 90 N/A 3.739 in94.97 mm N/A 0.003 in0.08 mm N/A -044 N/A Seal Guides
BS43 U-70 N/A
183167 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.070 in1.78 mm N/A 70 N/A 3.489 in88.62 mm N/A 0.003 in0.08 mm N/A -043 N/A Seal Guides
BS43 U-90 N/A
183168 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.070 in1.78 mm N/A 90 N/A 3.489 in88.62 mm N/A 0.003 in0.08 mm N/A -043 N/A Seal Guides
BS42 U-70 N/A
183169 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.070 in1.78 mm N/A 70 N/A 3.239 in82.27 mm N/A 0.003 in0.08 mm N/A -042 N/A Seal Guides
BS42 U-90 N/A
183170 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.070 in1.78 mm N/A 90 N/A 3.239 in82.27 mm N/A 0.003 in0.08 mm N/A -042 N/A Seal Guides
BS41 U-70 N/A
183171 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.070 in1.78 mm N/A 70 N/A 2.989 in75.92 mm N/A 0.003 in0.08 mm N/A -041 N/A Seal Guides
BS41 U-90 N/A
183172 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.070 in1.78 mm N/A 90 N/A 2.989 in75.92 mm N/A 0.003 in0.08 mm N/A -041 N/A Seal Guides
BS40 U-70 N/A
183173 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.070 in1.78 mm N/A 70 N/A 2.864 in72.75 mm N/A 0.003 in0.08 mm N/A -040 N/A Seal Guides
BS40 U-90 N/A
183174 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.070 in1.78 mm N/A 90 N/A 2.864 in72.75 mm N/A 0.003 in0.08 mm N/A -040 N/A Seal Guides
BS39 U-70 N/A
183175 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.070 in1.78 mm N/A 70 N/A 2.739 in69.57 mm N/A 0.003 in0.08 mm N/A -039 N/A Seal Guides
BS39 U-90 N/A
183176 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.070 in1.78 mm N/A 90 N/A 2.739 in69.57 mm N/A 0.003 in0.08 mm N/A -039 N/A Seal Guides
BS38 U-70 N/A
183177 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.070 in1.78 mm N/A 70 N/A 2.614 in66.40 mm N/A 0.003 in0.08 mm N/A -038 N/A Seal Guides
BS38 U-90 N/A
183178 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.070 in1.78 mm N/A 90 N/A 2.614 in66.40 mm N/A 0.003 in0.08 mm N/A -038 N/A Seal Guides
BS37 U-70 N/A
183179 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.070 in1.78 mm N/A 70 N/A 2.489 in63.22 mm N/A 0.003 in0.08 mm N/A -037 N/A Seal Guides
BS37 U-90 N/A
183180 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.070 in1.78 mm N/A 90 N/A 2.489 in63.22 mm N/A 0.003 in0.08 mm N/A -037 N/A Seal Guides
BS36 U-70 N/A
183181 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.070 in1.78 mm N/A 70 N/A 2.364 in60.05 mm N/A 0.003 in0.08 mm N/A -036 N/A Seal Guides
BS36 U-90 N/A
183182 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.070 in1.78 mm N/A 90 N/A 2.364 in60.05 mm N/A 0.003 in0.08 mm N/A -036 N/A Seal Guides
BS35 U-70 N/A
183183 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.070 in1.78 mm N/A 70 N/A 2.239 in56.87 mm N/A 0.003 in0.08 mm N/A -035 N/A Seal Guides
BS35 U-90 N/A
183184 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.070 in1.78 mm N/A 90 N/A 2.239 in56.87 mm N/A 0.003 in0.08 mm N/A -035 N/A Seal Guides
BS34 U-70 N/A
183185 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.070 in1.78 mm N/A 70 N/A 2.114 in53.70 mm N/A 0.003 in0.08 mm N/A -034 N/A Seal Guides
BS34 U-90 N/A
183186 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.070 in1.78 mm N/A 90 N/A 2.114 in53.70 mm N/A 0.003 in0.08 mm N/A -034 N/A Seal Guides
BS33 U-70 N/A
183187 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.070 in1.78 mm N/A 70 N/A 1.989 in50.52 mm N/A 0.003 in0.08 mm N/A -033 N/A Seal Guides
BS33 U-90 N/A
183188 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.070 in1.78 mm N/A 90 N/A 1.989 in50.52 mm N/A 0.003 in0.08 mm N/A -033 N/A Seal Guides
BS32 U-70 N/A
183189 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.070 in1.78 mm N/A 70 N/A 1.864 in47.35 mm N/A 0.003 in0.08 mm N/A -032 N/A Seal Guides
BS32 U-90 N/A
183190 		N/A BS Standard O-Ring N/A Polyurethane N/A 0.070 in1.78 mm N/A 90 N/A 1.864 in47.35 mm N/A 0.003 in0.08 mm N/A -032 N/A Seal Guides
Unit of Measure
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