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 | 
                                                        
|---|---|---|---|---|---|---|---|---|---|
| BS170 U-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183016  | 
                                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 7.737 in196.52 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -170 | Product Guides N/A Seal Guides | 
| BS169 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183017  | 
                                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 7.487 in190.17 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -169 | Product Guides N/A Seal Guides | 
| BS169 U-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183018  | 
                                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 7.487 in190.17 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -169 | Product Guides N/A Seal Guides | 
| BS168 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183019  | 
                                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 7.237 in183.82 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -168 | Product Guides N/A Seal Guides | 
| BS168 U-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183020  | 
                                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 7.237 in183.82 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -168 | Product Guides N/A Seal Guides | 
| BS167 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183021  | 
                                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 6.987 in177.47 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -167 | Product Guides N/A Seal Guides | 
| BS167 U-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183022  | 
                                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 6.987 in177.47 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -167 | Product Guides N/A Seal Guides | 
| BS166 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183023  | 
                                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 6.737 in171.12 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -166 | Product Guides N/A Seal Guides | 
| BS166 U-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183024  | 
                                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 6.737 in171.12 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -166 | Product Guides N/A Seal Guides | 
| BS165 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183025  | 
                                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 6.487 in164.77 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -165 | Product Guides N/A Seal Guides | 
| BS165 U-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183026  | 
                                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 6.487 in164.77 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -165 | Product Guides N/A Seal Guides | 
| BS164 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183027  | 
                                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 6.237 in158.42 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -164 | Product Guides N/A Seal Guides | 
| BS164 U-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183028  | 
                                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 6.237 in158.42 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -164 | Product Guides N/A Seal Guides | 
| BS163 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183029  | 
                                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 5.987 in152.07 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -163 | Product Guides N/A Seal Guides | 
| BS163 U-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183030  | 
                                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 5.987 in152.07 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -163 | Product Guides N/A Seal Guides | 
| BS162 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183031  | 
                                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 5.737 in145.72 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -162 | Product Guides N/A Seal Guides | 
| BS162 U-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183032  | 
                                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 5.737 in145.72 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -162 | Product Guides N/A Seal Guides | 
| BS161 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183033  | 
                                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 5.487 in139.37 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -161 | Product Guides N/A Seal Guides | 
| BS161 U-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183034  | 
                                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 5.487 in139.37 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -161 | Product Guides N/A Seal Guides | 
| BS160 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183035  | 
                                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 5.237 in133.02 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -160 | Product Guides N/A Seal Guides | 
| BS160 U-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183036  | 
                                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 5.237 in133.02 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -160 | Product Guides N/A Seal Guides | 
| BS159 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183037  | 
                                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 4.987 in126.67 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -159 | Product Guides N/A Seal Guides | 
| BS159 U-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183038  | 
                                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 4.987 in126.67 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -159 | Product Guides N/A Seal Guides | 
| BS158 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183039  | 
                                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 4.737 in120.32 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -158 | Product Guides N/A Seal Guides | 
| BS158 U-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         183040  | 
                                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 4.737 in120.32 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -158 | Product Guides N/A Seal Guides |