7228B KOYO Single-row, matched pair angular contact ball bearings
         
            
      
      
      
    
                              
        | Brand Name: | KOYO | 
                              
        | Model Number: | 7228B | 
                                                            
        | Design Unit: | METRIC | 
                                                  
        | Bearing Weight: | 108.3 Kg | 
                                                  
        | Cage Type: | EMB | 
                                                  
        | Cage Material: | Brass | 
                                                  
        | Superseded Part: | 23072YMBW33W45AC3 | 
                                                  
        | d: | 360.000 mm | 
                                                  
        | D: | 540.000 mm | 
                                                  
        | B - Inner Ring Width: | 134 mm | 
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
   
      
    
          
Product Details
        
               
        
            
                                
              | Design Unit | METRIC | 
                                        
              | Bearing Weight | 108.3 Kg | 
                                        
              | Cage Type | EMB | 
                                        
              | Cage Material | Brass | 
                                        
              | Superseded Part | 23072YMBW33W45AC3 | 
                                        
              | d | 360.000 mm | 
                                        
              | D | 540.000 mm | 
                                        
              | B - Inner Ring Width | 134 mm | 
                                        
              | B - Outer Ring Width | 134.000 mm | 
                                        
              | R - Inner Ring To Clear Radius1 | 4.000 mm | 
                                        
              | r - Outer Ring To Clear Radius2 | 4.000 mm | 
                                        
              | da - Inner Ring Backing Diameter | 400.000 mm | 
                                        
              | Da - Outer Ring Backing Diameter | 499.000 mm | 
                                        
              | C0 - Static Radial Rating | 4610000 N | 
                                        
              | C1(2) - Dynamic Radial Rating (Two-Rows) | 2840000 N | 
                                        
              | e - ISO Factor3 | 0.23 | 
                                        
              | Y0 - ISO Factor4 | 2.94 | 
                                        
              | Y1 - ISO Factor5 | 4.38 | 
                                        
              | Y2 - ISO Factor6 | 2.88 | 
                                        
              | Reference Thermal Speed Rating (Grease) | 770 | 
                                        
              | Reference Thermal Speed Rating (Oil)7 | 900 | 
                                        
              | Cg - Geometry Factor8 | 0.1391 |