Product Information

Options of SFF Models

Tapered shaft supported Single Element/Clamping One of the hubs is a taper flange, supporting servo motor tapered shafts.

[Specifications/Dimensions]

Model Rated torque[N・m] Moment of inertia
[kg/m2]
Mass
[kg]
SFF-040SS-□B-11CN-8N 8 0.03×10-3 0.2
SFF-040SS-□B-11CN-12N 12 0.03×10-3 0.18
SFF-050SS-□B-14CN-25N 25 0.09×10-3 0.36
SFF-050SS-□B-16CN-25N 25 0.10×10-3 0.41
SFF-060SS-□B-16CN-60N 60 0.18×10-3 0.54
SFF-060SS-□B-16CN-80N 80 0.19×10-3 0.52

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

* For other Specifications, see Specifications for Single Element Clamping.

Model d1
[mm]
d2
[mm]
W
[mm]
T
[mm]
D
[mm]
L
[mm]
N1
[mm]
N2
[mm]
LF1
[mm]
LF2
[mm]
S
[mm]
K
[mm]
H
[mm]
SFF-040SS-□B-11CN-8N 8 ~ 9.525 11 4 12.2 38 46.4 33 22 17.5 25 3.9 17 5.1
SFF-040SS-□B-11CN-12N 10 ~16 11 4 12.2 38 46.4 33 22 17.5 25 3.9 17 5.1
SFF-050SS-□B-14CN-25N 10 ~19 14 4 15.1 48 56.9 42 27.5 21.5 30 5.4 20 5.1
SFF-050SS-□B-16CN-25N 10 ~19 16 5 17.3 48 67.9 42 29.5 21.5 41 5.4 20 6.8
SFF-060SS-□B-16CN-60N 12 ~19 16 5 17.3 58 70.4 44 29.5 24 41 5.4 32 6.8
SFF-060SS-□B-16CN-80N 20 ~22 16 5 17.3 58 70.4 44 29.5 24 41 5.4 32 6.8
24 ~28 48
30 52
Model M
[mm]
M Tightening
torque
[N・m]
DA
[mm]
WA
[mm]
J Nominal
× pitch
J Tightening
torque[N・m]
SFF-040SS-□B-11CN-8N 2-M4 3.4 12 6 M6×1.0 10
SFF-040SS-□B-11CN-12N 2-M4 3.4 12 6 M6×1.0 10
SFF-050SS-□B-14CN-25N 2-M5 7 15 8 M8×1.0 20
SFF-050SS-□B-16CN-25N 2-M5 7 16 10 M10×1.25 30
SFF-060SS-□B-16CN-60N 2-M6 14 16 10 M10×1.25 30
SFF-060SS-□B-16CN-80N 2-M6 14 16 10 M10×1.25 30
2-M5 7

[Standard Bore Diameter]

Model Standard Bore Diameter d1[mm]
8 9 9.525 10 11 12 14 15 16 17 18 19 20 22 24 25 28 30
SFF-040□-□B-11CN-8N
SFF-040□-□B-11CN-12N
SFF-050□-□B-14CN-25N
SFF-050□-□B-16CN-25N
SFF-060□-□B-16CN-60N
SFF-060□-□B-16CN-80N

* The bore diameters marked with ● are supported as standard bore diameter.


Tapered shaft supported Double Element/Clamping One of the hubs is a taper flange, supporting servo motor tapered shafts.

[Specifications/Dimensions]

Model Rated torque[N・m] Moment of inertia
[kg/m2]
Mass
[kg]
SFF-040DS-□B-11CN-8N 8 0.04×10-3 0.25
SFF-040DS-□B-11CN-12N 12 0.04×10-3 0.23
SFF-050DS-□B-14CN-25N 25 0.12×10-3 0.45
SFF-050DS-□B-16CN-25N 25 0.13×10-3 0.49
SFF-060DS-□B-16CN-60N 60 0.24×10-3 0.67
SFF-060DS-□B-16CN-80N 80 0.26×10-3 0.64

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

* For other Specifications, see Specifications for Double Element/Clamping.

Model d1
[mm]
d2
[mm]
W
[mm]
T
[mm]
D
[mm]
L
[mm]
N1
[mm]
N2
[mm]
LF1
[mm]
LF2
[mm]
LP
[mm]
S
[mm]
d3
[mm]
K
[mm]
H
[mm]
SFF-040DS-□B-11CN-8N 8 ~ 9.525 11 4 12.2 38 56.3 33 22 17.5 25 6 3.9 17 5.1 17
SFF-040DS-□B-11CN-12N 10 ~16 11 4 12.2 38 56.3 33 22 17.5 25 6 3.9 17 5.1 17
SFF-050DS-□B-14CN-25N 10 ~19 14 4 15.1 48 69.3 42 27.5 21.5 30 7 5.4 20 5.1 20
SFF-050DS-□B-16CN-25N 10 ~19 15 5 17.3 48 80.3 42 29.5 21.5 41 7 5.4 20 6.8 20
SFF-060DS-□B-16CN-60N 12 ~19 16 5 17.3 58 82.8 44 29.5 24 41 7 5.4 31 6.8 32
SFF-060DS-□B-16CN-80N 20 ~22 16 5 17.3 58 82.8 44 29.5 24 41 7 5.4 31 32 6.8
24 ~28 48
30 52
Model M
[mm]
M Tightening
torque [N・m]
DA
[mm]
WA
[mm]
J Nominal
× pitch
J Tightening
torque[N・m]
SFF-040DS-□B-11CN-8N 2-M4 3.4 12 6 M6×1.0 10
SFF-040DS-□B-11CN-12N 2-M4 3.4 12 6 M6×1.0 10
SFF-050DS-□B-14CN-25N 2-M5 7 15 8 M8×1.0 20
SFF-050DS-□B-16CN-25N 2-M5 7 16 10 M10×1.25 30
SFF-060DS-□B-16CN-60N 2-M6 14 16 10 M10×1.25 30
SFF-060DS-□B-16CN-80N 2-M6 14 16 10 M10×1.25 30
2-M5 7


[Standard Bore Diameter]

Model Standard Bore Diameter d1[mm]
8 9 9.525 10 11 12 14 15 16 17 18 19 20 22 24 25 28 30
SFF-040□-□B-11CN-8N
SFF-040□-□B-11CN-12N
SFF-050□-□B-14CN-25N
SFF-050□-□B-16CN-25N
SFF-060□-□B-16CN-60N
SFF-060□-□B-16CN-80N

* The bore diameters marked with ● are supported as standard bore diameter.


Flange-Mounted One of the hubs is flange-shaped, allowing mounting on a DD motor, speed reducer, etc.

[Specifications]

Model Rated torque[N・m] Misalignment Max. rotation speed
[min-1]
Torsional stiffness
[N・m/rad]
Axial stiffness
[N/mm]
Moment of inertia
[kg/m2]
Mass
[kg]
Parallel
[mm]
Angular[°] Axial
[mm]
SFF-070DS-105D-100N 100 0.25 1(On one side) ±1.0 1000 120000 242 1.20×10-3 1.08
SFF-080DS-166D-200N 200 0.31 1(On one side) ±1.0 1000 155000 273 8.35×10-3 3.11
SFF-090DS-166D-300N 300 0.32 1(On one side) ±1.2 1000 260000 160.5 8.68×10-3 3.18
SFF-100DS-166D-450N 450 0.38 1(On one side) ±1.3 1000 370000 270 10.01×10-3 3.91
SFF-120DS-166D-600N 600 0.38 1(On one side) ±1.6 1000 485000 180 12.65×10-3 4.57

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

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

* The moment of inertia and mass are measured for when d1 is the maximum bore diameter.

[Dimensions]

Model d1
[mm]
d2
[mm]
D1
[mm]
D2
[mm]
L
[mm]
N
[mm]
LF1
[mm]
LF2
[mm]
LP
[mm]
S
[mm]
d3
[mm]
K
[mm]
M
[mm]
TK1
[mm]
M2
[mm]
TK2
[mm]
M
Qty - Nominal dia.
M Tightening torque
[N/m]
SFF-070DS-105D-100N 28~35 36 68 105 54.8 56 25 10 8 5.9 37 38 6.4 86 6.4 92 2-M6 14
SFF-080DS-166D-200N 28~38 39 78 166 68.9 70(74) 30 13.5 10 7.7 40 42 6.4 150 8.6 150 2-M8 34
SFF-090DS-166D-300N 35~42 49 88 166 70.1 74 30 13.5 10 8.3 50 50 6.4 150 8.6 150 2-M8 34
SFF-100DS-166D-450N 32~48 51 98 166 85.9 84 40 13.5 12 10.2 52 56 6.4 150 8.6 150 2-M10 68
SFF-120DS-166D-600N 48~55 67 118 166 85.9 100 40 13.5 12 10.2 72 68 6.4 150 8.6 150 2-M10 68

* The figure in parentheses ( ) for the SFF-080DS is the value when d1 is ø38 mm. 

* Special arrangements may be possible for mounting holes at the flange end regarding bore diameter, number, and pitch. Check if arrangements are possible.

[Standard Bore Diameter]

s
Model Standard Bore Diameter
28 30 32 35 38 40 42 45 48 50 55
SFF-070DS-105D-100N              
SFF-080DS-166D-200N            
SFF-090DS-166D-300N              
SFF-100DS-166D-450N        
SFF-120DS-166D-600N                

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