
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 | 
|---|---|---|---|---|---|---|---|---|---|
| 240.89 X 3.53 U-70 | 
                                    
                                                                                            
 N/A                                                         139072  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A 272 | N/A 3.53 mm | N/A 70 | N/A 240.89 mm | N/A Seal Guides | |
| 234.54 X 3.53 U-70 | 
                                    
                                                                                            
 N/A                                                         139004  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A 271 | N/A 3.53 mm | N/A 70 | N/A 234.54 mm | N/A Seal Guides | |
| 228.19 X 3.53 U-70 | 
                                    
                                                                                            
 N/A                                                         138936  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A 270 | N/A 3.53 mm | N/A 70 | N/A 228.19 mm | N/A Seal Guides | |
| 33.05 X 1.78 U-70 | 
                                    
                                                                                            
 N/A                                                         139710  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A 27 | N/A 1.78 mm | N/A 70 | N/A 33.05 mm | N/A Seal Guides | |
| 221.84 X 3.53 U-70 | 
                                    
                                                                                            
 N/A                                                         138893  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A 269 | N/A 3.53 mm | N/A 70 | N/A 221.84 mm | N/A Seal Guides | |
| 215.49 X 3.53 U-70 | 
                                    
                                                                                            
 N/A                                                         138824  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A 268 | N/A 3.53 mm | N/A 70 | N/A 215.49 mm | N/A Seal Guides | |
| 209.14 X 3.53 U-70 | 
                                    
                                                                                            
 N/A                                                         138755  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A 267 | N/A 3.53 mm | N/A 70 | N/A 209.14 mm | N/A Seal Guides | |
| 202.79 X 3.53 U-70 | 
                                    
                                                                                            
 N/A                                                         138708  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A 266 | N/A 3.53 mm | N/A 70 | N/A 202.79 mm | N/A Seal Guides | |
| 196.44 X 3.53 U-70 | 
                                    
                                                                                            
 N/A                                                         138614  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A 265 | N/A 3.53 mm | N/A 70 | N/A 196.44 mm | N/A Seal Guides | |
| 190.09 X 3.53 U-70 | 
                                    
                                                                                            
 N/A                                                         138568  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A 264 | N/A 3.53 mm | N/A 70 | N/A 190.09 mm | N/A Seal Guides | |
| 183.74 X 3.53 U-70 | 
                                    
                                                                                            
 N/A                                                         138487  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A 263 | N/A 3.53 mm | N/A 70 | N/A 183.74 mm | N/A Seal Guides | |
| 177.39 X 3.53 U-70 | 
                                    
                                                                                            
 N/A                                                         138416  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A 262 | N/A 3.53 mm | N/A 70 | N/A 177.39 mm | N/A Seal Guides | |
| 171.04 X 3.53 U-70 | 
                                    
                                                                                            
 N/A                                                         138372  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A 261 | N/A 3.53 mm | N/A 70 | N/A 171.04 mm | N/A Seal Guides | |
| 164.69 X 3.53 U-70 | 
                                    
                                                                                            
 N/A                                                         138290  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A 260 | N/A 3.53 mm | N/A 70 | N/A 164.69 mm | N/A Seal Guides | |
| 31.47 X 1.78 U-70 | 
                                    
                                                                                            
 N/A                                                         139579  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A 26 | N/A 1.78 mm | N/A 70 | N/A 31.47 mm | N/A Seal Guides | |
| 158.34 X 3.53 U-70 | 
                                    
                                                                                            
 N/A                                                         138214  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A 259 | N/A 3.53 mm | N/A 70 | N/A 158.34 mm | N/A Seal Guides | |
| 151.99 X 3.53 U-70 | 
                                    
                                                                                            
 N/A                                                         138162  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A 258 | N/A 3.53 mm | N/A 70 | N/A 151.99 mm | N/A Seal Guides | |
| 148.82 X 3.53 U-70 | 
                                    
                                                                                            
 N/A                                                         138099  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A 257 | N/A 3.53 mm | N/A 70 | N/A 148.82 mm | N/A Seal Guides | |
| 142.47 X 3.53 U-70 | 
                                    
                                                                                            
 N/A                                                         138043  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A 256 | N/A 3.53 mm | N/A 70 | N/A 142.47 mm | N/A Seal Guides | |
| 145.64 X 3.53 U-70 | 
                                    
                                                                                            
 N/A                                                         138075  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A 256 | N/A 3.53 mm | N/A 70 | N/A 145.64 mm | N/A Seal Guides | |
| 139.29 X 3.53 U-70 | 
                                    
                                                                                            
 N/A                                                         137986  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A 254 | N/A 3.53 mm | N/A 70 | N/A 139.29 mm | N/A Seal Guides | |
| 136.12 X 3.53 U-70 | 
                                    
                                                                                            
 N/A                                                         137961  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A 253 | N/A 3.53 mm | N/A 70 | N/A 136.12 mm | N/A Seal Guides | |
| 132.94 X 3.53 U-70 | 
                                    
                                                                                            
 N/A                                                         137920  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A 252 | N/A 3.53 mm | N/A 70 | N/A 132.94 mm | N/A Seal Guides | |
| 126.59 X 3.53 U-70 | 
                                    
                                                                                            
 N/A                                                         137830  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A 251 | N/A 3.53 mm | N/A 70 | N/A 126.59 mm | N/A Seal Guides | |
| 129.77 X 3.53 U-70 | 
                                    
                                                                                            
 N/A                                                         137862  | 
                                N/A Metric Standard O-Ring | N/A Polyurethane | N/A 251 | N/A 3.53 mm | N/A 70 | N/A 129.77 mm | N/A Seal Guides |