| Load rating {kgf} |  | 
    
        | Bearing code | 
            
                Open6818Dust cover type6818ZZ非接触Seal圈type6818VV接触Seal圈type6818DDUWith stop ring槽6818NWith stop ring6818NR | 
    
        | Installation size (mm) | 
            
                d a (2) (Minimum)95d a (2) (Maximum)95.5Da(2) (Maximum)110r a  (Maximum)1Dx (Minimum)122C Y  (Maximum)2.9 | 
    
        | Dimensions |  | 
    
        | Load rating (N) |  | 
    
        | Limit speed(rpm) Grease lubrication | 
            
                Open  Z·ZZtype  V·VVtype5300DUtype  DDUtype3000 | 
    
        | Limit speed(rpm) Oil lubrication |  | 
    
        | Stop ring槽Size(1) (mm) | 
            
                a (Maximum)2.1b (Minimum)1.3D1 (Maximum)112.6r o  (Maximum)0.4r N  (Minimum)0.5 | 
    
        | Stop ring size(1) (mm) | 
            
                D2 (Maximum)120.7f (Maximum)1.12 | 
    
        | Coefficient fo |  | 
    
        | weight(kg) (Refer to) | 
            
                weight(kg) (Refer to)0.276 |