Product Information

SFF Models Specifications

SFF SS Types

[Specifications]

ModelRated torque [N・m]MisalignmentMax. rotation speed [min-1Torsional stiffness [N・m/rad]Axial stiffness[N/mm]Moment of inertia [kg・m2Mass [kg]
Parallel [mm]Angular [°]Axial [mm]
SFF-070SS700.021±0.518000600001050.64×10-30.92
SFF-080SS1300.021±0.51700064000961.03×10-31.23
SFF-090SS2000.021±0.6150001400003202.09×10-31.63
SFF-100SS3000.021±0.7130001600003602.90×10-31.83
SFF-120SS5000.021±0.8110001400003605.73×10-32.63
SFF-140SS8000.021±1.01000010000036013.54×10-34.68

*Max. rotation speed does not take into account dynamic balance.

*Torsional stiffness values given are calculated for the element alone.

*The moment of inertia and mass are measured for the maximum bore diameter.

[Dimensions]

Unit [mm]
ModelDLd1d2N1, N2LFSCKHMM1M2
SFF-070SS7063.518, 1918, 195323.56.55314-5.1M64-M62-M6
20, 22, 24, 2520, 22, 24, 2558
28, 3028, 3063
-32, 3568
SFF-080SS8069.322, 24, 2522, 24, 255825.58.35374-5.1M84-M62-M6
28, 3028, 3063
32, 3532, 3568
SFF-090SS9068.728286825.57.75503-6.8M86-M63-M6
30, 32, 3530, 32, 3573
38, 4038, 4078
42, 4542, 4583
484888
SFF-100SS1006932, 3532, 357325.585583-6.8M86-M63-M6
38, 4038, 4078
42, 4542, 4583
48, 50, 5248, 50, 5288
555593
-6098
SFF-120SS12075.235357327.510.25683-8.6M106-M63-M6
38, 4038, 4078
42, 4542, 4583
48, 50, 5248, 50, 5288
555593
606098
62, 6562, 65103
-70108
SFF-140SS14094.635, 3835, 388336.510.65.5783-8.6M126-M83-M8
40, 42, 45, 4840, 42, 45, 4888
50, 52, 5550, 52, 5598
60, 62, 6560, 62, 65108
70, 7570, 75118
-80123

*The nominal diameters of the pressure bolt M1 and detachment screw hole M2 are equal to the quantity minus the nominal diameter of the screw threads. The quantities of H, M1 and M2 are the same as the quantity for a hub on one side.

[Standard bore diameter combinations]

ModelStandard bore diameter d1 [mm]Standard bore diameter d2 [mm]
181920222425283032353840424548505255606265707580
SFF-070SS18     
19          
20     
22            
24     
25              
28     
30                
SFF-080SS22     
24             
25     
28               
30     
32                 
35     
SFF-090SS28               
30
32                 
35
38                   
40
42                     
45
48                       
SFF-100SS32
35              
38
40                
42
45                  
48
50                    
52
55                      
SFF-120SS35
38            
40
42              
45
48                
50
52                  
55
60                    
62
65                      
SFF-140SS35
38          
40
42            
45
48              
50
52                
55
60                  
62
65                    
70
75                      
Standard bore diameter d1 [mm]181920222425283032353840424548505255606265707580
Standard bore diameter d2 [mm]

SFF DS Types

[Specifications]

ModelRated torque [N・m]MisalignmentMax. rotation speed [min-1Torsional stiffness [N・m/rad]Axial stiffness[N/mm]Moment of inertia [kg・m2Mass [kg]
Parallel [mm]Angular [°]Axial [mm]
SFF-070DS700.251 (On one side)±1.01400030000530.79×10-31.13
SFF-080DS1300.311 (On one side)±1.01300032000481.36×10-31.57
SFF-090DS2000.301 (On one side)±1.212000700001602.59×10-32.04
SFF-100DS3000.311 (On one side)±1.410000800001803.68×10-32.29
SFF-120DS5000.381 (On one side)±1.69000700001807.70×10-33.46
SFF-140DS8000.441 (On one side)±2.080005000018017.94×10-36.06

*Max. rotation speed does not take into account dynamic balance.

*Torsional stiffness values given are calculated for the element alone.

*The moment of inertia and mass are measured for the maximum bore diameter.

[Dimensions]

Unit [mm]
ModelDLd1d2N1, N2LFLPSCd3KHMM1M2
SFF-070DS707818, 1918, 195323.586.5535314-5.1M64-M62-M6
20, 22, 24, 2520, 22, 24, 2558
28, 3028, 3063
-32, 3568
SFF-080DS8087.622, 24, 2522, 24, 255825.5108.3540374-5.1M84-M62-M6
28, 3028, 3063
32, 3532, 3568
SFF-090DS9086.428286825.5107.7550503-6.8M86-M63-M6
30, 32, 3530, 32, 3573
38, 4038, 4078
42, 4542, 4583
484888
SFF-100DS1008732, 3532, 357325.5108560583-6.8M86-M63-M6
38, 4038, 4078
42, 4542, 4583
48, 50, 5248, 50, 5288
555593
-6098
SFF-120DS12097.435357327.51210.2572683-8.6M106-M63-M6
38, 4038, 4078
42, 4542, 4583
48, 50, 5248, 50, 5288
555593
606098
62, 6562, 65103
-70108
SFF-140DS140120.235, 3835, 388336.51510.65.580783-8.6M126-M83-M8
40, 42, 45, 4840, 42, 45, 4888
50, 52, 5550, 52, 5598
60, 62, 6560, 62, 65108
70, 7570, 75118
-80123

*The nominal diameters of the pressure bolt M1 and detachment screw hole M2 are equal to the quantity minus the nominal diameter of the screw threads. The quantities of H, M1 and M2 are the same as the quantity for a hub on one side.

[Standard bore diameter combinations]

ModelStandard bore diameter d1 [mm]Standard bore diameter d2 [mm]
181920222425283032353840424548505255606265707580
SFF-070DS18     
19          
20     
22            
24     
25              
28     
30                
SFF-080DS22     
24             
25     
28               
30     
32                 
35     
SFF-090DS28               
30
32                 
35
38                   
40
42                     
45
48                       
SFF-100DS32
35              
38
40                
42
45                  
48
50                    
52
55                      
SFF-120DS35
38            
40
42              
45
48                
50
52                  
55
60                    
62
65                      
SFF-140DS35
38          
40
42            
45
48              
50
52                
55
60                  
62
65                    
70
75                      
Standard bore diameter d1 [mm]181920222425283032353840424548505255606265707580
Standard bore diameter d2 [mm]

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