
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 | 
                                            Quantity | 
|---|---|---|---|---|---|---|---|---|---|
| 139.4 X 3.1 U-70 | 
                                    
                                                                                            
 N/A                                                         137989  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A G140 | N/A 3.10 mm | N/A 70 | N/A 139.40 mm | N/A Seal Guides | |
| 134.4 X 3.1 U-70 | 
                                    
                                                                                            
 N/A                                                         137938  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A G135 | N/A 3.10 mm | N/A 70 | N/A 134.40 mm | N/A Seal Guides | |
| 129.4 X 3.1 U-70 | 
                                    
                                                                                            
 N/A                                                         137856  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A G130 | N/A 3.10 mm | N/A 70 | N/A 129.40 mm | N/A Seal Guides | |
| 124.4 X 3.1 U-70 | 
                                    
                                                                                            
 N/A                                                         137804  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A G125 | N/A 3.10 mm | N/A 70 | N/A 124.40 mm | N/A Seal Guides | |
| 119.4 X 3.1 U-70 | 
                                    
                                                                                            
 N/A                                                         137722  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A G120 | N/A 3.10 mm | N/A 70 | N/A 119.40 mm | N/A Seal Guides | |
| 114.4 X 3.1 U-70 | 
                                    
                                                                                            
 N/A                                                         137672  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A G115 | N/A 3.10 mm | N/A 70 | N/A 114.40 mm | N/A Seal Guides | |
| 109.4 X 3.1 U-70 | 
                                    
                                                                                            
 N/A                                                         137592  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A G110 | N/A 3.10 mm | N/A 70 | N/A 109.40 mm | N/A Seal Guides | |
| 104.4 X 3.1 U-70 | 
                                    
                                                                                            
 N/A                                                         137538  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A G105 | N/A 3.10 mm | N/A 70 | N/A 104.40 mm | N/A Seal Guides | |
| 99.4 X 3.1 U-70 | 
                                    
                                                                                            
 N/A                                                         141510  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A G100 | N/A 3.10 mm | N/A 70 | N/A 99.40 mm | N/A Seal Guides | |
| 41.26 X 3.53 U-70 | 
                                    
                                                                                            
 N/A                                                         140230  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A BSW825 | N/A 3.53 mm | N/A 70 | N/A 41.26 mm | N/A Seal Guides | |
| 200 X 6.99 U-70 | 
                                    
                                                                                            
 N/A                                                         138695  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A BS886 | N/A 6.99 mm | N/A 70 | N/A 200.00 mm | N/A Seal Guides | |
| 193.7 X 6.99 U-70 | 
                                    
                                                                                            
 N/A                                                         138586  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A BS884 | N/A 6.99 mm | N/A 70 | N/A 193.70 mm | N/A Seal Guides | |
| 187.3 X 6.99 U-70 | 
                                    
                                                                                            
 N/A                                                         138515  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A BS882 | N/A 6.99 mm | N/A 70 | N/A 187.30 mm | N/A Seal Guides | |
| 181 X 6.99 U-70 | 
                                    
                                                                                            
 N/A                                                         138474  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A BS880 | N/A 6.99 mm | N/A 70 | N/A 181.00 mm | N/A Seal Guides | |
| 174.6 X 6.99 U-70 | 
                                    
                                                                                            
 N/A                                                         138397  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A BS878 | N/A 6.99 mm | N/A 70 | N/A 174.60 mm | N/A Seal Guides | |
| 168.3 X 6.99 U-70 | 
                                    
                                                                                            
 N/A                                                         138319  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A BS876 | N/A 6.99 mm | N/A 70 | N/A 168.30 mm | N/A Seal Guides | |
| 161.9 X 6.99 U-70 | 
                                    
                                                                                            
 N/A                                                         138268  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A BS874 | N/A 6.99 mm | N/A 70 | N/A 161.90 mm | N/A Seal Guides | |
| 149.23 X 5.33 U-70 | 
                                    
                                                                                            
 N/A                                                         138107  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A BS870 | N/A 5.33 mm | N/A 70 | N/A 149.23 mm | N/A Seal Guides | |
| 146.05 X 5.33 U-70 | 
                                    
                                                                                            
 N/A                                                         138083  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A BS869 | N/A 5.33 mm | N/A 70 | N/A 146.05 mm | N/A Seal Guides | |
| 142.88 X 5.33 U-70 | 
                                    
                                                                                            
 N/A                                                         138044  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A BS868 | N/A 5.33 mm | N/A 70 | N/A 142.88 mm | N/A Seal Guides | |
| 139.7 X 5.33 U-70 | 
                                    
                                                                                            
 N/A                                                         137993  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A BS867 | N/A 5.33 mm | N/A 70 | N/A 139.70 mm | N/A Seal Guides | |
| 136.53 X 5.33 U-70 | 
                                    
                                                                                            
 N/A                                                         137962  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A BS866 | N/A 5.33 mm | N/A 70 | N/A 136.53 mm | N/A Seal Guides | |
| 133.35 X 5.33 U-70 | 
                                    
                                                                                            
 N/A                                                         137929  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A BS865 | N/A 5.33 mm | N/A 70 | N/A 133.35 mm | N/A Seal Guides | |
| 130.18 X 5.33 U-70 | 
                                    
                                                                                            
 N/A                                                         137900  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A BS864 | N/A 5.33 mm | N/A 70 | N/A 130.18 mm | N/A Seal Guides | |
| 127 X 5.33 U-70 | 
                                    
                                                                                            
 N/A                                                         137838  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A BS863 | N/A 5.33 mm | N/A 70 | N/A 127.00 mm | N/A Seal Guides |