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Miki Pulley SFF Models | TKK Corporation


Miki Pulley SFF Models

SFF SS Types (Single Element)

Specifications – Clamping

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-040SS-□B-□B-8N 8 0.02 1 ±0.2 18000 15000 174 0.03×10-3 0.17
SFF-040SS-□B-□B-12N 12 0.02 1 ±0.2 18000 15000 174 0.03×10-3 0.17
SFF-050SS-□B-□B-25N 25 0.02 1 ±0.3 18000 32000 145 0.10×10-3 0.36
SFF-060SS-□B-□B-60N 60 0.02 1 ±0.3 18000 104000 399 0.22×10-3 0.52
SFF-060SS-□B-□B-80N 80 0.02 1 ±0.3 18000 104000 399 0.23×10-3 0.49
SFF-070SS-□B-□B-90N 90 0.02 1 ±0.5 18000 240000 484 0.40×10-3 0.72
SFF-070SS-□B-□B-100N 100 0.02 1 ±0.5 18000 240000 484 0.42×10-3 0.67
SFF-080SS-□B-□B-150N 150 0.02 1 ±0.5 17000 120000 96 0.79×10-3 1.04
SFF-080SS-□B-□B-200N 200 0.02 1 ±0.5 17000 310000 546 1.25×10-3 1.40
SFF-090SS-□B-□B-250N 250 0.02 1 ±0.6 15000 520000 321 1.54×10-3 1.62
SFF-090SS-□B-□B-300N 300 0.02 1 ±0.6 15000 520000 321 1.58×10-3 1.53
SFF-100SS-□B-□B-450N 450 0.02 1 ±0.65 13000 740000 540 3.27×10-3 2.53
SFF-120SS-□B-□B-600N 600 0.02 1 ±0.8 11000 970000 360 6.90×10-3 3.78

* 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 the maximum bore diameter

Dimensions – Clamping

Unit [mm]
Model d1[mm] d2[mm] D[mm] L[mm] N1･N2[mm] LF[mm] S[mm] K[mm] M1･M2
Qty – Nominal dia.		 M1･M2
Tightening
torque
[N･m]
SFF-040SS-□B-□B-8N 8･9･9.525 8･9･9.525･10･11･12･14･15･16 38 38.9 33 17.5 3.9 17 2-M4 3.4
SFF-040SS-□B-□B-12N 10･11･12･14･15･16 10･11･12･14･15･16 38 38.9 33 17.5 3.9 17 2-M4 3.4
SFF-050SS-□B-□B-25N 10･11･12･14･15･16･17･18･19 10･11･12･14･15･16･17･18･19 48 48.4 42 21.5 5.4 20 2-M5 7
SFF-060SS-□B-□B-60N 12･14･15･16･17･18･19 12･14･15･16･17･18･19･20･22 58 53.4 44 24 5.4 32 2-M6 14
– 24･25･28 58 53.4 48 24 5.4 32 2-M5 7
– 30 58 53.4 52 24 5.4 32 2-M5 7
SFF-060SS-□B-□B-80N 20･22 20･22 58 53.4 44 24 5.4 32 2-M6 14
24･25･28 24･25･28 58 53.4 48 24 5.4 32 2-M5 7
30 30 58 53.4 52 24 5.4 32 2-M5 7
SFF-070SS-□B-□B-90N 18･19 18･19･20･22･24･25 68 55.9 47 25 5.9 38 2-M6 14
– 28･30･32･35 68 55.9 56 25 5.9 38 2-M6 14
SFF-070SS-□B-□B-100N 20･22･24･25 20･22･24･25 68 55.9 47 25 5.9 38 2-M6 14
28･30･32･35 28･30･32･35 68 55.9 56 25 5.9 38 2-M6 14
SFF-080SS-□B-□B-150N 22･24･25 22･24･25 78 68.3 53 30 8.3 37 2-M8 34
28･30･32･35 28･30･32･35 78 68.3 56 30 8.3 37 2-M6 14
SFF-080SS-□B-□B-200N 22･24･25 22･24･25 78 67.7 53 30 7.7 42 2-M8 34
28･30･32･35 28･30･32･35 78 67.7 70 30 7.7 42 2-M8 34
38 38 78 67.7 74 30 7.7 42 2-M8 34
SFF-090SS-□B-□B-250N 25･28 25･28･30･32 88 68.3 66 30 8.3 50 2-M8 34
– 35･38･40･42 88 68.3 74 30 8.3 50 2-M8 34
SFF-090SS-□B-□B-300N 30･32 30･32 88 68.3 66 30 8.3 50 2-M8 34
35･38･40･42 35･38･40･42 88 68.3 74 30 8.3 50 2-M8 34
SFF-100SS-□B-□B-450N 32･35･38･40･42･45･48 32･35･38･40･42･45･48 98 90.2 84 40 10.2 56 2-M10 68
SFF-120SS-□B-□B-600N 32･35･38･40･42･45 32･35･38･40･42･45 118 90.2 84 40 10.2 68 2-M10 68
48･50･55 48･50･55 118 90.2 100 40 10.2 68 2-M10 68

* Nominal diameter of clamping bolt M1/M2 is given as number of bolts – nominal diameter, and the number is the number for one hub.

Standard bore diameter – Clamping

Model Standard bore diameter　d1・d2［mm］
Nominal diameter 8 9 9.525 10 11 12 14 15 16 17 18 19 20 22 24 25 28 30 32 35 38 40 42 45 48 50 55
SFF-040SS-□B-□B-8N d1 ● ● ●
d2 ● ● ● ● ● ● ● ● ●
SFF-040SS-□B-□B-12N d1 ● ● ● ● ● ●
d2 ● ● ● ● ● ●
SFF-050SS-□B-□B-25N d1 ● ● ● ● ● ● ● ● ●
d2 ● ● ● ● ● ● ● ● ●
SFF-060SS-□B-□B-60N d1 ● ● ● ● ● ● ●
d2 ● ● ● ● ● ● ● ● ● ● ● ● ●
SFF-060SS-□B-□B-80N d1 ● ● ● ● ● ●
d2 ● ● ● ● ● ●
SFF-070SS-□B-□B-90N d1 ● ●
d2 ● ● ● ● ● ● ● ● ● ●
SFF-070SS-□B-□B-100N d1 ● ● ● ● ● ● ● ●
d2 ● ● ● ● ● ● ● ●
SFF-080SS-□B-□B-150N d1 ● ● ● ● ● ● ●
d2 ● ● ● ● ● ● ●
SFF-080SS-□B-□B-200N d1 ● ● ● ● ● ● ● ●
d2 ● ● ● ● ● ● ● ●
SFF-090SS-□B-□B-250N d1 ● ●
d2 ● ● ● ● ● ● ● ●
SFF-090SS-□B-□B-300N d1 ● ● ● ● ● ●
d2 ● ● ● ● ● ●
SFF-100SS-□B-□B-450N d1 ● ● ● ● ● ● ●
d2 ● ● ● ● ● ● ●
SFF-120SS-□B-□B-600N d1 ● ● ● ● ● ● ● ● ●
d2 ● ● ● ● ● ● ● ● ●

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

The option of compatibility with a tapered shaft.] – Clamping

Model Rated torque[N･m] Moment of inertia [kg･m2] Mass[kg]
SFF-040SS-□B-11CN-8N 8 0.03×10-3 0.20
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]		 M
Qty – Nominal dia.		 MTightening torque[N･m] DA
[mm]		 WA
[mm]		 J Nominal × pitch J
Tightening torque
[N･m]
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 2-M4 3.4 12 6 M6×1.0 10
SFF-040SS-□B-11CN-12N 10～16 11 4 12.2 38 46.4 33 22 17.5 25 3.9 17 5.1 2-M4 3.4 12 6 M6×1.0 10
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 2-M5 7 15 8 M8×1.0 20
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 2-M5 7 16 10 M10×1.25 30
SFF-060SS-□B-16CN-60N 12～19 16 5 17.3 58 70.4 44 29.5 24 41 5.4 32 6.8 2-M6 14 16 10 M10×1.25 30
SFF-060SS-□B-16CN-80N 20～22 16 5 17.3 58 70.4 44 29.5 24 41 5.4 32 6.8 2-M6 14 16 10 M10×1.25 30
24～28 48 2-M5 7
30 52

* The moment of inertia and mass are measured for the maximum bore diameter.
* For other “Specifications”, see “Specifications” for Single Element Clamping.

Specifications – Wedge Coupling

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-070SS-□K-□K-100N 100 0.02 1 ±0.5 18000 240000 484 0.66×10-3 0.92
SFF-080SS-□K-□K-150N 150 0.02 1 ±0.5 17000 120000 96 1.21×10-3 1.03
SFF-080SS-□K-□K-200N 200 0.02 1 ±0.5 17000 310000 546 1.11×10-3 1.26
SFF-090SS-□K-□K-300N 300 0.02 1 ±0.6 15000 520000 321 1.75×10-3 1.48
SFF-100SS-□K-□K-450N 450 0.02 1 ±0.65 13000 740000 540 2.56×10-3 1.87
SFF-120SS-□K-□K-600N 600 0.02 1 ±0.8 11000 970000 360 5.33×10-3 2.50
SFF-140SS-□K-□K-800N 800 0.02 1 ±1.0 10000 1400000 360 10.28×10-3 4.66
SFF-140SS-□K-□K-1000N 1000 0.02 1 ±1.0 10000 1400000 360 14.70×10-3 5.01

* 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 the maximum bore diameter.

Dimensions – Wedge Coupling

Unit [mm]
Model d1[mm] d2[mm] D[mm] L[mm] N1･N2[mm] LF[mm] S[mm] C[mm] K[mm] H[mm] M1
Qty – Nominal dia.		 M1
Tightening
torque
[N･m]		 M2
Qty – Nominal dia.
SFF-070SS-□K-□K-100N 18･19 18･19 68 62.9 53 23.5 5.9 5 38 3-5.1 6-M6 10 3-M6
20･22･24･25 20･22･24･25 58
28･30 28･30 63
32･35 32･35 68
SFF-080SS-□K-□K-150N 22･24･25 22･24･25 78 69.3 58 25.5 8.3 5 37 4-5.1 4-M6 10 2-M6
28･30 28･30 63
32･35 32･35 68
– 38 73
SFF-080SS-□K-□K-200N 22･24･25 22･24･25 78 68.7 58 25.5 7.7 5 42 3-5.1 6-M6 10 3-M6
28･30 28･30 63
32･35 32･35 68
38 38 73
SFF-090SS-□K-□K-300N 28･30 28･30 88 69.3 63 25.5 8.3 5 50 3-6.8 6-M6 10 3-M6
32･35 32･35 68
38･40･42 38･40･42 73
45 45 78
48 48 83
SFF-100SS-□K-□K-450N 32･35 32･35 98 75.2 68 27.5 10.2 5 56 3-6.8 6-M6 10 3-M6
38･40･42 38･40･42 73
45 45 78
48･50 48･50 83
SFF-120SS-□K-□K-600N 35 35 118 75.2 68 27.5 10.2 5 68 3-6.8 6-M6 10 3-M6
38･40･42 38･40･42 73
45 45 78
48･50･52 48･50･52 83
55 55 88
60･62･65 60･62･65 98
– 70 108
SFF-140SS-□K-□K-800N 35･38 35･38 138 94.6 83 36.5 10.6 5.5 78 3-8.6 6-M8 24 3-M8
40･42･45 40･42･45 88
– 48･50･52 98
– 55･60 108
– 62･65･70 118
– 75･80 128
SFF-140SS-□K-□K-1000N 48･50･52 48･50･52 138 94.6 98 36.5 10.6 5.5 78 3-8.6 6-M8 24 3-M8
55･60 55･60 108
62･65･70 62･65･70 118
75 75･80 128

* Nominal diameter of clamping bolt M1/M2 is given as number of bolts – nominal diameter, and the number is the number for one hub.

Standard bore diameter – Wedge Coupling

Model Standard bore diameter d1･d2[mm]
Nominal diameter 18 19 20 22 24 25 28 30 32 35 38 40 42 45 48 50 52 55 60 62 65 70 75 80
SFF-070SS-□K-□K-100N d1 ● ● ● ● ● ● ● ● ● ●
d2 ● ● ● ● ● ● ● ● ● ●
SFF-080SS-□K-□K-150N d1 ● ● ● ● ● ● ●
d2 ● ● ● ● ● ● ● ●
SFF-080SS-□K-□K-200N d1 ● ● ● ● ● ● ● ●
d2 ● ● ● ● ● ● ● ●
SFF-090SS-□K-□K-300N d1 ● ● ● ● ● ● ● ● ●
d2 ● ● ● ● ● ● ● ● ●
SFF-100SS-□K-□K-450N d1 ● ● ● ● ● ● ● ●
d2 ● ● ● ● ● ● ● ●
SFF-120SS-□K-□K-600N d1 ● ● ● ● ● ● ● ● ● ● ● ●
d2 ● ● ● ● ● ● ● ● ● ● ● ● ●
SFF-140SS-□K-□K-800N d1 ● ● ● ● ●
d2 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
SFF-140SS-□K-□K-1000N d1 ● ● ● ● ● ● ● ● ●
d2 ● ● ● ● ● ● ● ● ● ●

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

SFF DS Types (Double Element)

Specifications – Clamping

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-040DS-□B-□B-8N 8 0.10 1
(On one side)		 ±0.4 14000 7500 87 0.04×10-3 0.22
SFF-040DS-□B-□B-12N 12 0.10 1
(On one side)		 ±0.4 14000 7500 87 0.04×10-3 0.22
SFF-050DS-□B-□B-25N 25 0.20 1
(On one side)		 ±0.6 14000 16000 72.5 0.13×10-3 0.46
SFF-060DS-□B-□B-60N 60 0.20 1
(On one side)		 ±0.6 14000 52000 199.5 0.28×10-3 0.64
SFF-060DS-□B-□B-80N 80 0.20 1
(On one side)		 ±0.6 14000 52000 199.5 0.29×10-3 0.61
SFF-070DS-□B-□B-90N 90 0.25 1
(On one side)		 ±1.0 14000 120000 242 0.53×10-3 0.90
SFF-070DS-□B-□B-100N 100 0.25 1
(On one side)		 ±1.0 14000 120000 242 0.55×10-3 0.85
SFF-080DS-□B-□B-150N 150 0.32 1
(On one side)		 ±1.0 13000 60000 48 1.10×10-3 1.37
SFF-080DS-□B-□B-200N 200 0.31 1
(On one side)		 ±1.0 13000 155000 273 1.50×10-3 1.72
SFF-090DS-□B-□B-250N 250 0.32 1
(On one side)		 ±1.2 12000 260000 160.5 2.03×10-3 2.02
SFF-090DS-□B-□B-300N 300 0.32 1
(On one side)		 ±1.2 12000 260000 160.5 2.10×10-3 1.92
SFF-100DS-□B-□B-450N 450 0.38 1
(On one side)		 ±1.3 10000 370000 270 4.18×10-3 3.12
SFF-120DS-□B-□B-600N 600 0.38 1
(On one side)		 ±1.6 9000 485000 180 8.87×10-3 4.60

* 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 the maximum bore diameter

Dimensions – Clamping

Unit [mm]
Model d1
[mm]		 d2
[mm]		 D
[mm]		 L
[mm]		 N1･N2
[mm]		 LF
[mm]		 LP
[mm]		 S
[mm]		 d3
[mm]		 K
[mm]		 M1･M2
Qty – Nominal dia.		 M1･M2
Tightening
torque
[N･m]
SFF-040DS-□B-□B-8N 8･9･9.525 8･9･9.525･10･11･12･14･15･16 38 48.8 33 17.5 6 3.9 17 17 2-M4 3.4
SFF-040DS-□B-□B-12N 10･11･12･14･15･16 10･11･12･14･15･16 38 48.8 33 17.5 6 3.9 17 17 2-M4 3.4
SFF-050DS-□B-□B-25N 10･11･12･14･15･16･17･18･19 10･11･12･14･15･16･17･18･19 48 60.8 42 21.5 7 5.4 20 20 2-M5 7
SFF-060DS-□B-□B-60N 12･14･15･16･17･18･19 12･14･15･16･17･18･19･20･22 58 65.8 44 24 7 5.4 31 32 2-M6 14
– 24･25･28 48 2-M5 7
– 30 52
SFF-060DS-□B-□B-80N 20･22 20･22 58 65.8 44 24 7 5.4 31 32 2-M6 14
24･25･28 24･25･28 48 2-M5 7
30 30 52
SFF-070DS-□B-□B-90N 18･19 18･19･20･22･24･25 68 69.8 47 25 8 5.9 37 38 2-M6 14
– 28･30･32･35 56
SFF-070DS-□B-□B-100N 20･22･24･25 20･22･24･25 68 69.8 47 25 8 5.9 37 38 2-M6 14
28･30･32･35 28･30･32･35 56
SFF-080DS-□B-□B-150N 22･24･25 22･24･25 78 86.6 53 30 10 8.3 40 37 2-M8 34
28･30･32･35 28･30･32･35 56 2-M6 14
SFF-080DS-□B-□B-200N 22･24･25 22･24･25 78 85.4 53 30 10 7.7 40 42 2-M8 34
28･30･32･35 28･30･32･35 70
38 38 74
SFF-090DS-□B-□B-250N 25･28 25･28･30･32 88 86.6 66 30 10 8.3 50 50 2-M8 34
– 35･38･40･42 74
SFF-090DS-□B-□B-300N 30･32 30･32 88 86.6 66 30 10 8.3 50 50 2-M8 34
35･38･40･42 35･38･40･42 74
SFF-100DS-□B-□B-450N 32･35･38･40･42･45･48 32･35･38･40･42･45･48 98 112.4 84 40 12 10.2 52 56 2-M10 68
SFF-120DS-□B-□B-600N 32･35･38･40･42･45 32･35･38･40･42･45 118 112.4 84 40 12 10.2 72 68 2-M10 68
48･50･55 48･50･55 100

* Nominal diameter of clamping bolt M1/M2 is given as number of bolts – nominal diameter, and the number is the number for one hub.

Standard bore diameter] – Clamping

Model Standard bore diameter d1・d2[mm]
Nominal diameter 8 9 9.525 10 11 12 14 15 16 17 18 19 20 22 24 25 28 30 32 35 38 40 42 45 48 50 55
SFF-040DS-□B-□B-8N d1 ● ● ●
d2 ● ● ● ● ● ● ● ● ●
SFF-040DS-□B-□B-12N d1 ● ● ● ● ● ●
d2 ● ● ● ● ● ●
SFF-050DS-□B-□B-25N d1 ● ● ● ● ● ● ● ● ●
d2 ● ● ● ● ● ● ● ● ●
SFF-060DS-□B-□B-60N d1 ● ● ● ● ● ● ●
d2 ● ● ● ● ● ● ● ● ● ● ● ● ●
SFF-060DS-□B-□B-80N d1 ● ● ● ● ● ●
d2 ● ● ● ● ● ●
SFF-070DS-□B-□B-90N d1 ● ●
d2 ● ● ● ● ● ● ● ● ● ●
SFF-070DS-□B-□B-100N d1 ● ● ● ● ● ● ● ●
d2 ● ● ● ● ● ● ● ●
SFF-080DS-□B-□B-150N d1 ● ● ● ● ● ● ●
d2 ● ● ● ● ● ● ●
SFF-080DS-□B-□B-200N d1 ● ● ● ● ● ● ● ●
d2 ● ● ● ● ● ● ● ●
SFF-090DS-□B-□B-250N d1 ● ●
d2 ● ● ● ● ● ● ● ●
SFF-090DS-□B-□B-300N d1 ● ● ● ● ● ●
d2 ● ● ● ● ● ●
SFF-100DS-□B-□B-450N d1 ● ● ● ● ● ● ●
d2 ● ● ● ● ● ● ●
SFF-120DS-□B-□B-600N d1 ● ● ● ● ● ● ● ● ●
d2 ● ● ● ● ● ● ● ● ●

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

The option of compatibility with a tapered shaft. – Clamping

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

Specifications – Wedge Coupling

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-□K-□K-100N 100 0.25 1
(On one side)		 ±1.0 14000 120000 242 0.80×10-3 1.10
SFF-080DS-□K-□K-150N 150 0.32 1
(On one side)		 ±1.0 13000 60000 48 1.36×10-3 1.56
SFF-080DS-□K-□K-200N 200 0.31 1
(On one side)		 ±1.0 13000 155000 273 1.42×10-3 1.60
SFF-090DS-□K-□K-300N 300 0.32 1
(On one side)		 ±1.2 12000 260000 160.5 2.24×10-3 1.87
SFF-100DS-□K-□K-450N 450 0.38 1
(On one side)		 ±1.3 10000 370000 270 3.51×10-3 2.49
SFF-120DS-□K-□K-600N 600 0.38 1
(On one side)		 ±1.6 9000 485000 180 7.17×10-3 3.29
SFF-140DS-□K-□K-800N 800 0.44 1
(On one side)		 ±2.0 8000 700000 180 14.68×10-3 6.05
SFF-140DS-□K-□K-1000N 1000 0.44 1
(On one side)		 ±2.0 8000 700000 180 19.11×10-3 6.39

* 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 the maximum bore diameter

Dimensions – Wedge Coupling

Unit [mm]

<
Model d1
[mm]		 d2
[mm]		 D
[mm]		 L
[mm]		 N1･N2
[mm]		 LF
[mm]		 LP
[mm]		 S
[mm]		 C
[mm]		 d3
[mm]		 K
[mm]		 H
[mm]		 M1
Qty – Nominal dia		 M1
Tightening torque[N･m]		 M2
Qty – Nominal dia.
SFF-070DS-□K-□K-100N 18･19 18･19 68 76.8 53 23.5 8 5.9 5 37 38 3-5.1 6-M6 10 3-M6
20･22･24･25 20･22･24･25 58
28･30 28･30 63
32･35 32･35 68
SFF-080DS-□K-□K-150N 22･24･25 22･24･25 78 87.6 58 25.5 10 8.3 5 40 37 4-5.1 4-M6 10 2-M6
28･30 28･30 63
32･35 32･35 68
– 38 73
SFF-080DS-□K-□K-200N 22･24･25 22･24･25 78 86.4 58 25.5 10 7.7 5 40 42 3-5.1 6-M6 10 3-M6
28･30 28･30 63
32･35 32･35 68
38 38 73
SFF-090DS-□K-□K-300N 28･30 28･30 88 87.6 63 25.5 10 8.3 5 50 50 3-6.8 6-M6 10 3-M6
32･35 32･35 68
38･40･42 38･40･42 73
45 45 78
48 48 83
SFF-100DS-□K-□K-450N 32･35 32･35 98 97.4 68 27.5 12 10.2 5 52 56 3-6.8 6-M6 10 3-M6
38･40･42 38･40･42 73
45 45 78
48･50 48･50 83
SFF-120DS-□K-□K-600N 35 35 118 97.4 68 27.5 12 10.2 5 72 68 3-6.8 6-M6 10 3-M6
38･40･42 38･40･42 73
45 45 78
48･50･52 48･50･52 83
55 55 88
60･62･65 60･62･65 98
– 70 108
SFF-140DS-□K-□K-800N 35･38 35･38 138 120 83 36.5 15 10.6 5.5 80 78 3-8.6 6-M8 24 3-M8
40･42･45 40･42･45 88
– 48･50･52 98
– 55･60 108
– 62･65･70 118
– 75･80 128
SFF-140DS-□K-□K-1000N 48･50･52 48･50･52 138 120 98 36.5 15 10.6 5.5 80 78 3-8.6 6-M8 24 3-M8
55･60 55･60 108
62･65･70 62･65･70 118
75 75･80 128

* Nominal diameter of clamping bolt M1/M2 is given as number of bolts – nominal diameter, and the number is the number for one hub.

Standard bore diameter – Wedge Coupling

Model Standard bore diameter d1･d2[mm]
Nominal diameter 18 19 20 22 24 25 28 30 32 35 38 40 42 45 48 50 52 55 60 62 65 70 75 80
SFF-070DS-□K-□K-100N d1 ● ● ● ● ● ● ● ● ● ●
d2 ● ● ● ● ● ● ● ● ● ●
SFF-080DS-□K-□K-150N d1 ● ● ● ● ● ● ●
d2 ● ● ● ● ● ● ● ●
SFF-080DS-□K-□K-200N d1 ● ● ● ● ● ● ● ●
d2 ● ● ● ● ● ● ● ●
SFF-090DS-□K-□K-300N d1 ● ● ● ● ● ● ● ● ●
d2 ● ● ● ● ● ● ● ● ●
SFF-100DS-□K-□K-450N d1 ● ● ● ● ● ● ● ●
d2 ● ● ● ● ● ● ● ●
SFF-120DS-□K-□K-600N d1 ● ● ● ● ● ● ● ● ● ● ● ●
d2 ● ● ● ● ● ● ● ● ● ● ● ● ●
SFF-140DS-□K-□K-800N d1 ● ● ● ● ●
d2 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
SFF-140DS-□K-□K-1000N d1 ● ● ● ● ● ● ● ● ●
d2 ● ● ● ● ● ● ● ● ● ●

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


Agent Brand
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Email: info@tkkcorporation.com
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