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 | 
                                                        
|---|---|---|---|---|---|---|---|---|
| 399.5 X 8.4 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         140140  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P400 | Cross Section Width N/A 8.40 mm | Durometer N/A 70 | Inside Diameter N/A 399.50 mm | Product Guides N/A Seal Guides | 
| 39.7 X 3.5 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         140101  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P40 | Cross Section Width N/A 3.50 mm | Durometer N/A 70 | Inside Diameter N/A 39.70 mm | Product Guides N/A Seal Guides | 
| 3.8 X 1.9 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         139501  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P4 | Cross Section Width N/A 1.90 mm | Durometer N/A 70 | Inside Diameter N/A 3.80 mm | Product Guides N/A Seal Guides | 
| 38.7 X 3.5 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         140036  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P39 | Cross Section Width N/A 3.50 mm | Durometer N/A 70 | Inside Diameter N/A 38.70 mm | Product Guides N/A Seal Guides | 
| 384.5 X 8.4 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         140058  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P385 | Cross Section Width N/A 8.40 mm | Durometer N/A 70 | Inside Diameter N/A 384.50 mm | Product Guides N/A Seal Guides | 
| 37.7 X 3.5 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         139979  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P38 | Cross Section Width N/A 3.50 mm | Durometer N/A 70 | Inside Diameter N/A 37.70 mm | Product Guides N/A Seal Guides | 
| 374.5 X 8.4 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         139999  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P375 | Cross Section Width N/A 8.40 mm | Durometer N/A 70 | Inside Diameter N/A 374.50 mm | Product Guides N/A Seal Guides | 
| 359.5 X 8.4 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         139891  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P360 | Cross Section Width N/A 8.40 mm | Durometer N/A 70 | Inside Diameter N/A 359.50 mm | Product Guides N/A Seal Guides | 
| 35.7 X 3.5 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         139849  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P36 | Cross Section Width N/A 3.50 mm | Durometer N/A 70 | Inside Diameter N/A 35.70 mm | Product Guides N/A Seal Guides | 
| 354.5 X 8.4 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         139868  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P355 | Cross Section Width N/A 8.40 mm | Durometer N/A 70 | Inside Diameter N/A 354.50 mm | Product Guides N/A Seal Guides | 
| 35.2 X 3.5 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         139840  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P35.5 | Cross Section Width N/A 3.50 mm | Durometer N/A 70 | Inside Diameter N/A 35.20 mm | Product Guides N/A Seal Guides | 
| 34.7 X 3.5 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         139789  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P35 | Cross Section Width N/A 3.50 mm | Durometer N/A 70 | Inside Diameter N/A 34.70 mm | Product Guides N/A Seal Guides | 
| 339.5 X 8.4 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         139761  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P340 | Cross Section Width N/A 8.40 mm | Durometer N/A 70 | Inside Diameter N/A 339.50 mm | Product Guides N/A Seal Guides | 
| 30.7 X 3.5 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         139522  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P34 | Cross Section Width N/A 3.50 mm | Durometer N/A 70 | Inside Diameter N/A 30.70 mm | Product Guides N/A Seal Guides | 
| 33.7 X 3.5 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         139719  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P34 | Cross Section Width N/A 3.50 mm | Durometer N/A 70 | Inside Diameter N/A 33.70 mm | Product Guides N/A Seal Guides | 
| 334.5 X 8.4 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         139739  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P335 | Cross Section Width N/A 8.40 mm | Durometer N/A 70 | Inside Diameter N/A 334.50 mm | Product Guides N/A Seal Guides | 
| 319.5 X 8.4 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         139634  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P320 | Cross Section Width N/A 8.40 mm | Durometer N/A 70 | Inside Diameter N/A 319.50 mm | Product Guides N/A Seal Guides | 
| 31.7 X 3.5 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         139588  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P32 | Cross Section Width N/A 3.50 mm | Durometer N/A 70 | Inside Diameter N/A 31.70 mm | Product Guides N/A Seal Guides | 
| 314.5 X 8.4 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         139609  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P315 | Cross Section Width N/A 8.40 mm | Durometer N/A 70 | Inside Diameter N/A 314.50 mm | Product Guides N/A Seal Guides | 
| 31.2 X 3.5 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         139576  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P31.5 | Cross Section Width N/A 3.50 mm | Durometer N/A 70 | Inside Diameter N/A 31.20 mm | Product Guides N/A Seal Guides | 
| 299.5 X 8.4 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         139476  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P300 | Cross Section Width N/A 8.40 mm | Durometer N/A 70 | Inside Diameter N/A 299.50 mm | Product Guides N/A Seal Guides | 
| 29.7 X 3.5 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         139428  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P30 | Cross Section Width N/A 3.50 mm | Durometer N/A 70 | Inside Diameter N/A 29.70 mm | Product Guides N/A Seal Guides | 
| 2.8 X 1.9 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         138659  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P3 | Cross Section Width N/A 1.90 mm | Durometer N/A 70 | Inside Diameter N/A 2.80 mm | Product Guides N/A Seal Guides | 
| 294.5 X 8.4 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         139457  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P295 | Cross Section Width N/A 8.40 mm | Durometer N/A 70 | Inside Diameter N/A 294.50 mm | Product Guides N/A Seal Guides | 
| 289.5 X 8.4 U-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         139404  | 
                                Type N/A Metric Standard O-Ring | Material N/A Polyurethane | Cross Reference N/A P290 | Cross Section Width N/A 8.40 mm | Durometer N/A 70 | Inside Diameter N/A 289.50 mm | Product Guides N/A Seal Guides | 
 
