
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 | 
                                            Quantity | 
|---|---|---|---|---|---|---|---|---|---|---|
| BS19 U-90 | 
                                    
                                                                                            
 N/A                                                         183216  | 
                                N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 90 | N/A 0.801 in20.35 mm | N/A 0.003 in0.08 mm | N/A -019 | N/A Seal Guides | |
| BS18 U-70 | 
                                    
                                                                                            
 N/A                                                         183217  | 
                                N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 70 | N/A 0.739 in18.77 mm | N/A 0.003 in0.08 mm | N/A -018 | N/A Seal Guides | |
| BS18 U-90 | 
                                    
                                                                                            
 N/A                                                         183218  | 
                                N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 90 | N/A 0.739 in18.77 mm | N/A 0.003 in0.08 mm | N/A -018 | N/A Seal Guides | |
| BS17 U-70 | 
                                    
                                                                                            
 N/A                                                         183219  | 
                                N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 70 | N/A 0.676 in17.17 mm | N/A 0.003 in0.08 mm | N/A -017 | N/A Seal Guides | |
| BS17 U-90 | 
                                    
                                                                                            
 N/A                                                         183220  | 
                                N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 90 | N/A 0.676 in17.17 mm | N/A 0.003 in0.08 mm | N/A -017 | N/A Seal Guides | |
| BS16 U-70 | 
                                    
                                                                                            
 N/A                                                         183221  | 
                                N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 70 | N/A 0.614 in15.6 mm | N/A 0.003 in0.08 mm | N/A -016 | N/A Seal Guides | |
| BS16 U-90 | 
                                    
                                                                                            
 N/A                                                         183222  | 
                                N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 90 | N/A 0.614 in15.6 mm | N/A 0.003 in0.08 mm | N/A -016 | N/A Seal Guides | |
| BS15 U-70 | 
                                    
                                                                                            
 N/A                                                         183223  | 
                                N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 70 | N/A 0.551 in14.00 mm | N/A 0.003 in0.08 mm | N/A -015 | N/A Seal Guides | |
| BS15 U-90 | 
                                    
                                                                                            
 N/A                                                         183224  | 
                                N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 90 | N/A 0.551 in14.00 mm | N/A 0.003 in0.08 mm | N/A -015 | N/A Seal Guides | |
| BS14 U-70 | 
                                    
                                                                                            
 N/A                                                         183225  | 
                                N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 70 | N/A 0.489 in12.42 mm | N/A 0.003 in0.08 mm | N/A -014 | N/A Seal Guides | |
| BS14 U-90 | 
                                    
                                                                                            
 N/A                                                         183226  | 
                                N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 90 | N/A 0.489 in12.42 mm | N/A 0.003 in0.08 mm | N/A -014 | N/A Seal Guides | |
| BS13 U-70 | 
                                    
                                                                                            
 N/A                                                         183227  | 
                                N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 70 | N/A 0.426 in10.82 mm | N/A 0.003 in0.08 mm | N/A -013 | N/A Seal Guides | |
| BS13 U-90 | 
                                    
                                                                                            
 N/A                                                         183228  | 
                                N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 90 | N/A 0.426 in10.82 mm | N/A 0.003 in0.08 mm | N/A -013 | N/A Seal Guides | |
| BS12 U-70 | 
                                    
                                                                                            
 N/A                                                         183229  | 
                                N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 70 | N/A 0.364 in9.25 mm | N/A 0.003 in0.08 mm | N/A -012 | N/A Seal Guides | |
| BS12 U-90 | 
                                    
                                                                                            
 N/A                                                         183230  | 
                                N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 90 | N/A 0.364 in9.25 mm | N/A 0.003 in0.08 mm | N/A -012 | N/A Seal Guides | |
| BS11 U-70 | 
                                    
                                                                                            
 N/A                                                         183231  | 
                                N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 70 | N/A 0.301 in7.65 mm | N/A 0.003 in0.08 mm | N/A -011 | N/A Seal Guides | |
| BS11 U-90 | 
                                    
                                                                                            
 N/A                                                         183232  | 
                                N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 90 | N/A 0.301 in7.65 mm | N/A 0.003 in0.08 mm | N/A -011 | N/A Seal Guides | |
| BS10 U-70 | 
                                    
                                                                                            
 N/A                                                         183233  | 
                                N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 70 | N/A 0.239 in6.07 mm | N/A 0.003 in0.08 mm | N/A -010 | N/A Seal Guides | |
| BS10 U-90 | 
                                    
                                                                                            
 N/A                                                         183234  | 
                                N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 90 | N/A 0.239 in6.07 mm | N/A 0.003 in0.08 mm | N/A -010 | N/A Seal Guides | |
| BS9 U-70 | 
                                    
                                                                                            
 N/A                                                         183235  | 
                                N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 70 | N/A 0.208 in5.28 mm | N/A 0.003 in0.08 mm | N/A -009 | N/A Seal Guides | |
| BS9 U-90 | 
                                    
                                                                                            
 N/A                                                         183236  | 
                                N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 90 | N/A 0.208 in5.28 mm | N/A 0.003 in0.08 mm | N/A -009 | N/A Seal Guides | |
| BS8 U-70 | 
                                    
                                                                                            
 N/A                                                         183237  | 
                                N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 70 | N/A 0.176 in4.47 mm | N/A 0.003 in0.08 mm | N/A -008 | N/A Seal Guides | |
| BS8 U-90 | 
                                    
                                                                                            
 N/A                                                         183238  | 
                                N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 90 | N/A 0.176 in4.47 mm | N/A 0.003 in0.08 mm | N/A -008 | N/A Seal Guides | |
| BS7 U-70 | 
                                    
                                                                                            
 N/A                                                         183239  | 
                                N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 70 | N/A 0.145 in3.68 mm | N/A 0.003 in0.08 mm | N/A -007 | N/A Seal Guides | |
| BS7 U-90 | 
                                    
                                                                                            
 N/A                                                         183240  | 
                                N/A BS Standard O-Ring | N/A Polyurethane | N/A 0.070 in1.78 mm | N/A 90 | N/A 0.145 in3.68 mm | N/A 0.003 in0.08 mm | N/A -007 | N/A Seal Guides |