8 mm x 19 mm x 6 mm  NMB R-1980 deep groove ball bearings
         
           NMB Bearing offers a 8 mm x 19 mm x 6 mm  NMB R-1980 deep groove ball bearings BEARING-SINGAPORE (PTE)LTD. selection of Genuine 8 mm x 19 mm x 6 mm  NMB Bearing at Wholesale 0.6 mm fillet radius: Prices. We are a 8 mm x 19 mm x 6 mm  NMB R-1980 deep groove ball bearings Certified Parts Retailer
            What is R-1980  bearing interchange?
      
      
      
      
    
                              
        | Brand Name: | 
        NMB | 
      
                              
        | Model Number: | 
        R-1980 | 
      
                                                            
        | Series: | 
        28000 | 
      
                                                  
        | Cone Part Number: | 
        28138 | 
      
                                                  
        | Cup Part Number: | 
        28315 | 
      
                                                  
        | Design Units: | 
        Imperial | 
      
                                                  
        | Bearing Weight: | 
        0.5 Kg | 
      
                                                  
        | Cage Type: | 
        Stamped Steel | 
      
                                                  
        | d: | 
        34.976 mm | 
      
                                                  
        | D: | 
        80 mm | 
      
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
   
      
    
          
Product Details
        
               
        
            
                                
              | Series | 
              28000 | 
            
                                        
              | Cone Part Number | 
              28138 | 
            
                                        
              | Cup Part Number | 
              28315 | 
            
                                        
              | Design Units | 
              Imperial | 
            
                                        
              | Bearing Weight | 
              0.5 Kg | 
            
                                        
              | Cage Type | 
              Stamped Steel | 
            
                                        
              | d | 
              34.976 mm | 
            
                                        
              | D | 
              80 mm | 
            
                                        
              | B - Cone Width | 
              20.940 mm | 
            
                                        
              | C - Cup Width | 
              15.875 mm | 
            
                                        
              | B | 
              21.006 mm | 
            
                                        
              | R - Cone Backface To Clear Radius1 | 
              1.520 mm | 
            
                                        
              | r - Cup Backface To Clear Radius2 | 
              1.52 mm | 
            
                                        
              | da - Cone Frontface Backing Diameter | 
              40.89 mm | 
            
                                        
              | db - Cone Backface Backing Diameter | 
              43.43 mm | 
            
                                        
              | Da - Cup Frontface Backing Diameter | 
              73.90 mm | 
            
                                        
              | Db - Cup Backface Backing Diameter | 
              69.09 mm | 
            
                                        
              | Ab - Cage-Cone Frontface Clearance | 
              1.8 mm | 
            
                                        
              | Aa - Cage-Cone Backface Clearance | 
              1.5 mm | 
            
                                        
              | a - Effective Center Location3 | 
              -4.8 mm | 
            
                                        
              | C90 - Dynamic Radial Rating (90 million revolutions)4 | 
              3700 lbf | 
            
                                        
              | C1 - Dynamic Radial Rating (1 million revolutions)5 | 
              14300 lbf | 
            
                                        
              | C0 - Static Radial Rating | 
              15500 lbf | 
            
                                        
              | Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 
              2550 lbf | 
            
                                        
              | K - Factor7 | 
              1.45 | 
            
                                        
              | e - ISO Factor8 | 
              0.4 | 
            
                                        
              | Y - ISO Factor9 | 
              1.49 | 
            
                                        
              | G1 - Heat Generation Factor (Roller-Raceway) | 
              20.7 | 
            
                                        
              | G2 - Heat Generation Factor (Rib-Roller End) | 
              12.5 | 
            
                                        
              | Cg - Geometry Factor | 
              0.0709 |