Product Information

SFF(-N) Models Specifications

SFF SS(-N) 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-040SS-8N80.021±0.218000150001740.032×10-30.17
SFF-040SS-12N120.021±0.218000150001740.032×10-30.17
SFF-050SS-25N250.021±0.318000320001450.10×10-30.36
SFF-060SS-60N600.021±0.3180001040003990.21×10-30.47
SFF-070SS-90N900.021±0.5180002400004840.40×10-30.72
SFF-070SS-100N1000.021±0.5180002400004840.42×10-30.67
SFF-080SS-150N1500.021±0.517000120000960.79×10-31.04
SFF-080SS-200N2000.021±0.5170003100005461.11×10-31.35
SFF-090SS-250N2500.021±0.6150005200003211.54×10-31.62
SFF-090SS-300N3000.021±0.6150005200003211.58×10-31.53
SFF-100SS-450N4500.021±0.65130007400005403.27×10-32.53
SFF-120SS-600N6000.021±0.8110009700003606.90×10-33.78

*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]
Modeld1d2D[mm]L[mm]N1[mm]N2[mm]LF[mm]S[mm]K[mm]M1M2
Min.[mm]Max.[mm]Min.[mm]Max.[mm]Quantity -Nominal dia.Tighteningtorque [N・m]Quantity -Nominal dia.Tighteningtorque [N・m]
SFF-040SS-8N89.5258163838.9333317.53.9172-M43.42-M43.4
SFF-040SS-12N101610163838.9333317.53.9172-M43.42-M43.4
SFF-050SS-25N101910194848.4424221.55.4202-M572-M57
SFF-060SS-60N122212225853.44444245.4322-M6142-M614
122224285853.44448245.4322-M6142-M57
242824285853.44848245.4322-M572-M57
SFF-070SS-90N181918256855.94747255.9382-M6142-M614
181928356855.94756255.9382-M6142-M614
SFF-070SS-100N202520256855.94747255.9382-M6142-M614
202528356855.94756255.9382-M6142-M614
283528356855.95656255.9382-M6142-M614
SFF-080SS-150N222522257868.35353308.3372-M8342-M834
222528357868.35356308.3372-M8342-M614
283528357868.35656308.3372-M6142-M614
SFF-080SS-200N222522257867.75353307.7422-M8342-M834
222528357867.75370307.7422-M8342-M834
283528357867.77070307.7422-M8342-M834
SFF-090SS-250N252825328868.36666308.3502-M8342-M834
252835428868.36674308.3502-M8342-M834
SFF-090SS-300N303230328868.36666308.3502-M8342-M834
303235428868.36674308.3502-M8342-M834
354235428868.37474308.3502-M8342-M834
SFF-100SS-450N324832489890.284844010.2562-M10682-M1068
SFF-120SS-600N3245324511890.284844010.2682-M10682-M1068
3245485511890.2841004010.2682-M10682-M1068
4855485511890.21001004010.2682-M10682-M1068

*The nominal diameter for the clamping bolt M1 is equal to the quantity minus the nominal diameter of the screw threads, where the quantity is for a hub on one side.

[Standard bore diameter combinations]

ModelStandard bore diametersd1・d2 [mm]
d1・d2899.525101112141516171819202224252830323538404245485055
SFF-040SS -8Nd1
d2                  
SFF-040SS -12Nd1
d2                     
SFF-050SS -25Nd1
d2                  
SFF-060SS -60Nd1
d2               
SFF-070SS -90Nd1
d2                 
SFF-070SS -100Nd1
d2                   
SFF-080SS -150Nd1
d2                    
SFF-080SS -200Nd1
d2                    
SFF-090SS -250Nd1
d2                   
SFF-090SS -300Nd1
d2                     
SFF-100SS -450Nd1
d2                    
SFF-120SS -600Nd1
d2                  

SFF DS(-N) 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-040DS -8N80.101
(On one side)
±0.4140007500870.042×10-30.22
SFF-040DS -12N120.101
(On one side)
±0.4140007500870.042×10-30.22
SFF-050DS -25N250.201
(On one side)
±0.6140001600072.50.13×10-30.46
SFF-060DS -60N600.201
(On one side)
±0.61400052000199.50.27×10-30.60
SFF-070DS -90N900.251
(On one side)
±1.0140001200002420.53×10-30.90
SFF-070DS -100N1000.251
(On one side)
±1.0140001200002420.55×10-30.85
SFF-080DS -150N1500.321
(On one side)
±1.01300060000481.10×10-31.37
SFF-080DS -200N2000.311
(On one side)
±1.0130001550002731.41×10-31.67
SFF-090DS -250N2500.321
(On one side)
±1.212000260000160.52.03×10-32.02
SFF-090DS -300N3000.321
(On one side)
±1.212000260000160.52.10×10-31.92
SFF-100DS -450N4500.381
(On one side)
±1.3100003700002704.18×10-33.12
SFF-120DS -600N6000.381
(On one side)
±1.690004850001808.87×10-34.60

*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]
Modeld1d2D[mm]L[mm]N1[mm]N2[mm]LF[mm]LP[mm]S[mm]d3[mm]K[mm]M1M2
Min.[mm]Max.[mm]Min.[mm]Max.[mm]Quantity Nominal dia.Tightening
torque
[N・m]
Quantity Nominal dia.Tightening
torque
[N・m]
SFF-040DS -8N89.5258163848.8333317.563.917172-M43.42-M43.4
SFF-040DS -12N101610163848.8333317.563.917172-M43.42-M43.4
SFF-050DS -25N101910194860.8424221.575.420202-M572-M57
SFF-060DS -60N122212225865.844442475.429322-M6142-M614
122224285865.844482475.429322-M6142-M57
242824285865.848482475.429322-M572-M57
SFF-070DS -90N181918256869.847472585.937382-M6142-M614
181928356869.847562585.937382-M6142-M614
SFF-070DS -100N202520256869.847472585.937382-M6142-M614
202528356869.847562585.937382-M6142-M614
283528356869.856562585.937382-M6142-M614
SFF-080DS -150N222522257886.6535330108.340372-M8342-M834
222528357886.6535630108.340372-M8342-M614
283528357886.6565630108.340372-M6142-M614
SFF-080DS -200N222522257885.4535330107.740422-M8342-M834
222528357885.4537030107.740422-M8342-M834
283528357885.4707030107.740422-M8342-M834
SFF-090DS -250N252825328886.6666630108.350502-M8342-M834
252835428886.6667430108.350502-M8342-M834
SFF-090DS -300N303230328886.6666630108.350502-M8342-M834
303235428886.6667430108.350502-M8342-M834
354235428886.6747430108.350502-M8342-M834
SFF-100DS -450N3248324898112.48484401210.252562-M10682-M1068
SFF-120DS -600N32453245118112.48484401210.272682-M10682-M1068
32454855118112.484100401210.272682-M10682-M1068
48554855118112.4100100401210.272682-M10682-M1068

*The nominal diameter for the clamping bolt M1 is equal to the quantity minus the nominal diameter of the screw threads, where the quantity is for a hub on one side.

[Standard bore diameter combinations]

ModelStandard bore diametersd1・d2 [mm]
d1・d2899.525101112141516171819202224252830323538404245485055
SFF-040DS -8Nd1
d2                  
SFF-040DS -12Nd1
d2                     
SFF-050DS -25Nd1
d2                  
SFF-060DS -60Nd1
d2               
SFF-070DS -90Nd1
d2                 
SFF-070DS -100Nd1
d2                   
SFF-080DS -150Nd1
d2                    
SFF-080DS -200Nd1
d2                    
SFF-090DS -250Nd1
d2                   
SFF-090DS -300Nd1
d2                     
SFF-100DS -450Nd1
d2                    
SFF-120DS -600Nd1
d2                  

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