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