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 | 
                                                        
|---|---|---|---|---|---|---|---|---|---|
| BS132 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183091  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 1.737 in44.12 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -132 | Product Guides N/A Seal Guides | 
| BS132 U-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183092  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 90 | Inside Diameter N/A 1.737 in44.12 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -132 | Product Guides N/A Seal Guides | 
| BS131 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183093  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 1.674 in42.52 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -131 | Product Guides N/A Seal Guides | 
| BS131 U-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183094  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 90 | Inside Diameter N/A 1.674 in42.52 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -131 | Product Guides N/A Seal Guides | 
| BS130 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183095  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 1.612 in40.94 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -130 | Product Guides N/A Seal Guides | 
| BS130 U-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183096  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 90 | Inside Diameter N/A 1.612 in40.94 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -130 | Product Guides N/A Seal Guides | 
| BS129 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183097  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 1.549 in39.34 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -129 | Product Guides N/A Seal Guides | 
| BS129 U-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183098  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 90 | Inside Diameter N/A 1.549 in39.34 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -129 | Product Guides N/A Seal Guides | 
| BS128 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183099  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 1.487 in37.77 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -128 | Product Guides N/A Seal Guides | 
| BS128 U-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183100  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 90 | Inside Diameter N/A 1.487 in37.77 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -128 | Product Guides N/A Seal Guides | 
| BS127 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183101  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 1.424 in36.17 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -127 | Product Guides N/A Seal Guides | 
| BS127 U-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183102  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 90 | Inside Diameter N/A 1.424 in36.17 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -127 | Product Guides N/A Seal Guides | 
| BS126 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183103  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 1.362 in34.59 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -126 | Product Guides N/A Seal Guides | 
| BS126 U-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183104  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 90 | Inside Diameter N/A 1.362 in34.59 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -126 | Product Guides N/A Seal Guides | 
| BS125 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183105  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 1.299 in32.99 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -125 | Product Guides N/A Seal Guides | 
| BS125 U-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183106  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 90 | Inside Diameter N/A 1.299 in32.99 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -125 | Product Guides N/A Seal Guides | 
| BS124 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183107  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 1.237 in31.42 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -124 | Product Guides N/A Seal Guides | 
| BS124 U-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183108  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 90 | Inside Diameter N/A 1.237 in31.42 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -124 | Product Guides N/A Seal Guides | 
| BS123 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183109  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 1.174 in29.82 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -123 | Product Guides N/A Seal Guides | 
| BS123 U-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183110  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 90 | Inside Diameter N/A 1.174 in29.82 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -123 | Product Guides N/A Seal Guides | 
| BS122 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183111  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 1.112 in28.24 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -122 | Product Guides N/A Seal Guides | 
| BS122 U-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183112  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 90 | Inside Diameter N/A 1.112 in28.24 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -122 | Product Guides N/A Seal Guides | 
| BS121 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183113  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 1.049 in26.64 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -121 | Product Guides N/A Seal Guides | 
| BS121 U-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183114  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 90 | Inside Diameter N/A 1.049 in26.64 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -121 | Product Guides N/A Seal Guides | 
| BS120 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183115  | 
                                Type N/A BS Standard O-Ring | Material N/A Polyurethane | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 0.987 in25.07 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -120 | Product Guides N/A Seal Guides |