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.
                            Item # | 
                        
                            IntegrationID | 
                        
                            Type | 
                        
                            Material | 
                        
                            Cross Section Width | 
                        
                            Durometer | 
                        
                            Inside Diameter | 
                        
                            CSW Tolerance | 
                        
                            BS Number | 
                        
                            Product Guides | 
                                                        
|---|---|---|---|---|---|---|---|---|---|
| BS903 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         182341  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.064 in1.63 mm | Durometer N/A 70 | Inside Diameter N/A 0.301 in7.65 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -903 | Product Guides N/A Seal Guides | 
| BS903 U-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         182342  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.064 in1.63 mm | Durometer N/A 90 | Inside Diameter N/A 0.301 in7.65 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -903 | Product Guides N/A Seal Guides | 
| BS902 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         182343  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.064 in1.63 mm | Durometer N/A 70 | Inside Diameter N/A 0.239 in6.07 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -902 | Product Guides N/A Seal Guides | 
| BS902 U-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         182344  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.064 in1.63 mm | Durometer N/A 90 | Inside Diameter N/A 0.239 in6.07 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -902 | Product Guides N/A Seal Guides | 
| BS886 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         182345  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 7.875 in200.03 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -886 | Product Guides N/A Seal Guides | 
| BS886 U-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         182346  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 90 | Inside Diameter N/A 7.875 in200.03 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -886 | Product Guides N/A Seal Guides | 
| BS884 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         182347  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 7.625 in193.68 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -884 | Product Guides N/A Seal Guides | 
| BS884 U-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         182348  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 90 | Inside Diameter N/A 7.625 in193.68 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -884 | Product Guides N/A Seal Guides | 
| BS882 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         182349  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 7.375 in187.33 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -882 | Product Guides N/A Seal Guides | 
| BS882 U-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         182350  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 90 | Inside Diameter N/A 7.375 in187.33 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -882 | Product Guides N/A Seal Guides | 
| BS880 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         182351  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 7.125 in180.98 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -880 | Product Guides N/A Seal Guides | 
| BS880 U-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         182352  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 90 | Inside Diameter N/A 7.125 in180.98 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -880 | Product Guides N/A Seal Guides | 
| BS878 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         182353  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 6.875 in174.63 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -878 | Product Guides N/A Seal Guides | 
| BS878 U-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         182354  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 90 | Inside Diameter N/A 6.875 in174.63 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -878 | Product Guides N/A Seal Guides | 
| BS876 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         182355  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 6.625 in168.28 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -876 | Product Guides N/A Seal Guides | 
| BS876 U-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         182356  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 90 | Inside Diameter N/A 6.625 in168.28 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -876 | Product Guides N/A Seal Guides | 
| BS874 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         182357  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 6.375 in161.93 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -874 | Product Guides N/A Seal Guides | 
| BS874 U-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         182358  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 90 | Inside Diameter N/A 6.375 in161.93 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -874 | Product Guides N/A Seal Guides | 
| BS872 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         182359  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 70 | Inside Diameter N/A 6.125 in155.58 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -872 | Product Guides N/A Seal Guides | 
| BS872 U-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         182360  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A 90 | Inside Diameter N/A 6.125 in155.58 mm | CSW Tolerance N/A 0.006 in0.15 mm | BS Number N/A -872 | Product Guides N/A Seal Guides | 
| BS870 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         182361  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 5.875 in149.23 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -870 | Product Guides N/A Seal Guides | 
| BS870 U-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         182362  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 90 | Inside Diameter N/A 5.875 in149.23 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -870 | Product Guides N/A Seal Guides | 
| BS869 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         182363  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 5.75 in146.05 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -869 | Product Guides N/A Seal Guides | 
| BS869 U-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         182364  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 90 | Inside Diameter N/A 5.75 in146.05 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -869 | Product Guides N/A Seal Guides | 
| BS868 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         182365  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 5.625 in142.88 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -868 | Product Guides N/A Seal Guides |