OneMonroe’s Metric Polyurethane O-Rings are designed for maximum durability and exceptional sealing performance in a wide range of applications. Crafted from high-quality polyurethane, these O-rings offer outstanding resistance to abrasion, chemicals, and high-pressure environments, making them ideal for industries that demand both reliability and longevity. Whether used in hydraulics, pneumatics, or mechanical assemblies, OneMonroe’s Metric Polyurethane O-Rings deliver dependable sealing solutions that withstand tough conditions, ensuring your systems operate smoothly and efficiently.
Our metric O-rings are available in various sizes to provide versatility and precision for any engineering or industrial requirement. These O-rings are specifically designed to provide a reliable seal for metric-based equipment, allowing for exact fitment and minimal leakage. The superior strength and elasticity of polyurethane make these O-rings more durable than traditional rubber alternatives, significantly extending the service life and reducing maintenance downtime. With their exceptional chemical and temperature resistance, OneMonroe Metric Polyurethane O-Rings are a trusted choice for applications ranging from automotive systems to heavy machinery and beyond.
OneMonroe is committed to providing premium-quality products that meet the rigorous demands of our clients. Our polyurethane O-rings undergo stringent quality checks and are manufactured to exact specifications, ensuring reliable performance in diverse environments. As a trusted provider of industrial and engineering components, we support our clients with expert guidance and a wide selection of high-quality sealing solutions. When you choose OneMonroe Metric Polyurethane O-Rings, you’re investing in dependable performance, longevity, and efficiency for all your sealing needs.
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 Reference | 
                        
                            Cross Section Width | 
                        
                            Durometer | 
                        
                            Inside Diameter | 
                        
                            Product Guides | 
                                                        
|---|---|---|---|---|---|---|---|---|
| 29.2 X 3.5 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         139417  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P29.5 | Cross Section Width N/A 3.50 mm | Durometer N/A 70 | Inside Diameter N/A 29.20 mm | Product Guides N/A Seal Guides | 
| 28.7 X 3.5 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         139361  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P29 | Cross Section Width N/A 3.50 mm | Durometer N/A 70 | Inside Diameter N/A 28.70 mm | Product Guides N/A Seal Guides | 
| 284.5 X 8.4 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         139384  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P285 | Cross Section Width N/A 8.40 mm | Durometer N/A 70 | Inside Diameter N/A 284.50 mm | Product Guides N/A Seal Guides | 
| 279.5 X 8.4 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         139338  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P280 | Cross Section Width N/A 8.40 mm | Durometer N/A 70 | Inside Diameter N/A 279.50 mm | Product Guides N/A Seal Guides | 
| 27.7 X 3.5 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         139292  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P28 | Cross Section Width N/A 3.50 mm | Durometer N/A 70 | Inside Diameter N/A 27.70 mm | Product Guides N/A Seal Guides | 
| 274.5 X 8.4 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         139317  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P275 | Cross Section Width N/A 8.40 mm | Durometer N/A 70 | Inside Diameter N/A 274.50 mm | Product Guides N/A Seal Guides | 
| 269.5 X 8.4 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         139272  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P271 | Cross Section Width N/A 8.40 mm | Durometer N/A 70 | Inside Diameter N/A 269.50 mm | Product Guides N/A Seal Guides | 
| 259.5 X 8.4 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         139200  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P26t | Cross Section Width N/A 8.40 mm | Durometer N/A 70 | Inside Diameter N/A 259.50 mm | Product Guides N/A Seal Guides | 
| 264.5 X 8.4 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         139246  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P265 | Cross Section Width N/A 8.40 mm | Durometer N/A 70 | Inside Diameter N/A 264.50 mm | Product Guides N/A Seal Guides | 
| 25.7 X 3.5 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         139151  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P26 | Cross Section Width N/A 3.50 mm | Durometer N/A 70 | Inside Diameter N/A 25.70 mm | Product Guides N/A Seal Guides | 
| 254.5 X 8.4 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         139178  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P255 | Cross Section Width N/A 8.40 mm | Durometer N/A 70 | Inside Diameter N/A 254.50 mm | Product Guides N/A Seal Guides | 
| 249.5 X 8.4 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         139124  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P250 | Cross Section Width N/A 8.40 mm | Durometer N/A 70 | Inside Diameter N/A 249.50 mm | Product Guides N/A Seal Guides | 
| 25.2 X 3.5 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         139144  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P25.5 | Cross Section Width N/A 3.50 mm | Durometer N/A 70 | Inside Diameter N/A 25.20 mm | Product Guides N/A Seal Guides | 
| 24.7 X 3.5 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         139061  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P25 | Cross Section Width N/A 3.50 mm | Durometer N/A 70 | Inside Diameter N/A 24.70 mm | Product Guides N/A Seal Guides | 
| 244.5 X 8.4 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         139094  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P245 | Cross Section Width N/A 8.40 mm | Durometer N/A 70 | Inside Diameter N/A 244.50 mm | Product Guides N/A Seal Guides | 
| 239.5 X 8.4 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         139035  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P240 | Cross Section Width N/A 8.40 mm | Durometer N/A 70 | Inside Diameter N/A 239.50 mm | Product Guides N/A Seal Guides | 
| 23.7 X 3.5 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         138974  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P24 | Cross Section Width N/A 3.50 mm | Durometer N/A 70 | Inside Diameter N/A 23.70 mm | Product Guides N/A Seal Guides | 
| 234.5 X 8.4 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         139003  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P235 | Cross Section Width N/A 8.40 mm | Durometer N/A 70 | Inside Diameter N/A 234.50 mm | Product Guides N/A Seal Guides | 
| 229.5 X 8.4 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         138946  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P230 | Cross Section Width N/A 8.40 mm | Durometer N/A 70 | Inside Diameter N/A 229.50 mm | Product Guides N/A Seal Guides | 
| 21.7 X 3.5 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         138785  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P22A | Cross Section Width N/A 3.50 mm | Durometer N/A 70 | Inside Diameter N/A 21.70 mm | Product Guides N/A Seal Guides | 
| 224.5 X 8.4 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         138910  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P225 | Cross Section Width N/A 8.40 mm | Durometer N/A 70 | Inside Diameter N/A 224.50 mm | Product Guides N/A Seal Guides | 
| 219.5 X 8.4 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         138853  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P220 | Cross Section Width N/A 8.40 mm | Durometer N/A 70 | Inside Diameter N/A 219.50 mm | Product Guides N/A Seal Guides | 
| 22.1 X 3.5 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         138865  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P22.4 | Cross Section Width N/A 3.50 mm | Durometer N/A 70 | Inside Diameter N/A 22.10 mm | Product Guides N/A Seal Guides | 
| 21.8 X 2.4 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         138786  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P22 | Cross Section Width N/A 2.40 mm | Durometer N/A 70 | Inside Diameter N/A 21.80 mm | Product Guides N/A Seal Guides | 
| 209.5 X 8.4 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         138760  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P21I | Cross Section Width N/A 8.40 mm | Durometer N/A 70 | Inside Diameter N/A 209.50 mm | Product Guides N/A Seal Guides | 
 
