Rubber Solid - RR. Protect floors and quiet operation with our rubber wheels.  Rubber is molded to harder rubber core. Wheel Face: Moderate crown. Finish: Black. Temperature Range: -40 degrees up to +180 degrees Fahrenheit. Hardness: 75-85 Shore A.
        
                    Unit of Measure
                    
               
        
            
                                                                                Weight | 
                                                                        N/A 1.5 | 
                                                                                Wheel Description | 
                                                                        N/A Rubber | 
                                                                                Wheel Diameter (in) | 
                                                                        N/A 4.00 | 
                                                                                Tread Width (in) | 
                                                                        N/A 2 | 
                                                                                Wheel Finish | 
                                                                        N/A Black | 
                                                                                Wheel Hardness | 
                                                                        N/A 75-85 Shore A | 
                                                                                Wheel Bearing Type | 
                                                                        N/A Roller | 
                                                                                Hub Length (in) | 
                                                                        N/A 2-3/16 | 
                                                                                Bore ID (in) | 
                                                                        N/A 1-3/16 | 
                                                                                Bearing ID (in) | 
                                                                        N/A 1/2 | 
                                                                                Temperature Range | 
                                                                        N/A -40 degrees up to +180 degrees Fahrenheit | 
                                                                                Load Rating (lbs) | 
                                                                        N/A 220 | 
                                                                                Load Rating Range (lbs) | 
                                                                        N/A 200-299 | 
                                                                                Why OneMonroe? | 
                                                                        N/A VMI - Custom Manufacturing - Technical Guides - Quality - Company Overview | 
                                                                                Product Guides | 
                                                                        N/A Caster Guide |