SFF Models

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SFF Models Specifications

SFF (SS) Types(Single Element)
SFF (DS) Types(Double Element)

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]
Model	Rated torque[N･m]	Parallel[mm]	Angular[°]	Axial[mm]	Max. rotation speed[min^-1]	Torsional stiffness[N･m/rad]	Axial stiffness[N/mm]	Moment of inertia[kg･m²]	Mass[kg]
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

単位 [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]
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
SFF-070SS-□B-□B-90N	-	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
SFF-070SS-□B-□B-100N	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
SFF-080SS-□B-□B-150N	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
SFF-090SS-□B-□B-250N	-	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
SFF-090SS-□B-□B-300N	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
SFF-120SS-□B-□B-600N	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］
Model	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	●	●	●
SFF-040SS-□B-□B-8N	d2	●	●	●	●	●	●	●	●	●
SFF-040SS-□B-□B-12N	d1				●	●	●	●	●	●
SFF-040SS-□B-□B-12N	d2				●	●	●	●	●	●
SFF-050SS-□B-□B-25N	d1				●	●	●	●	●	●	●	●	●
SFF-050SS-□B-□B-25N	d2				●	●	●	●	●	●	●	●	●
SFF-060SS-□B-□B-60N	d1						●	●	●	●	●	●	●
SFF-060SS-□B-□B-60N	d2						●	●	●	●	●	●	●	●	●	●	●	●	●
SFF-060SS-□B-□B-80N	d1													●	●	●	●	●	●
SFF-060SS-□B-□B-80N	d2													●	●	●	●	●	●
SFF-070SS-□B-□B-90N	d1											●	●
SFF-070SS-□B-□B-90N	d2											●	●	●	●	●	●	●	●	●	●
SFF-070SS-□B-□B-100N	d1													●	●	●	●	●	●	●	●
SFF-070SS-□B-□B-100N	d2													●	●	●	●	●	●	●	●
SFF-080SS-□B-□B-150N	d1														●	●	●	●	●	●	●
SFF-080SS-□B-□B-150N	d2														●	●	●	●	●	●	●
SFF-080SS-□B-□B-200N	d1														●	●	●	●	●	●	●	●
SFF-080SS-□B-□B-200N	d2														●	●	●	●	●	●	●	●
SFF-090SS-□B-□B-250N	d1																●	●
SFF-090SS-□B-□B-250N	d2																●	●	●	●	●	●	●	●
SFF-090SS-□B-□B-300N	d1																		●	●	●	●	●	●
SFF-090SS-□B-□B-300N	d2																		●	●	●	●	●	●
SFF-100SS-□B-□B-450N	d1																			●	●	●	●	●	●	●
SFF-100SS-□B-□B-450N	d2																			●	●	●	●	●	●	●
SFF-120SS-□B-□B-600N	d1																			●	●	●	●	●	●	●	●	●
SFF-120SS-□B-□B-600N	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]
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							2-M5	7

* 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]
Model	Rated torque[N･m]	Parallel[mm]	Angular [°]	Axial[mm]	Max. rotation speed[min^-1]	Torsional stiffness[N･m/rad]	Axial stiffness[N/mm]	Moment of inertia[kg･m²]	Mass[kg]
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

単位 [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.
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]
Model	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	●	●	●	●	●	●	●	●	●	●
SFF-070SS-□K-□K-100N	d2	●	●	●	●	●	●	●	●	●	●
SFF-080SS-□K-□K-150N	d1				●	●	●	●	●	●	●
SFF-080SS-□K-□K-150N	d2				●	●	●	●	●	●	●	●
SFF-080SS-□K-□K-200N	d1				●	●	●	●	●	●	●	●
SFF-080SS-□K-□K-200N	d2				●	●	●	●	●	●	●	●
SFF-090SS-□K-□K-300N	d1							●	●	●	●	●	●	●	●	●
SFF-090SS-□K-□K-300N	d2							●	●	●	●	●	●	●	●	●
SFF-100SS-□K-□K-450N	d1									●	●	●	●	●	●	●	●
SFF-100SS-□K-□K-450N	d2									●	●	●	●	●	●	●	●
SFF-120SS-□K-□K-600N	d1										●	●	●	●	●	●	●	●	●	●	●	●
SFF-120SS-□K-□K-600N	d2										●	●	●	●	●	●	●	●	●	●	●	●	●
SFF-140SS-□K-□K-800N	d1										●	●	●	●	●
SFF-140SS-□K-□K-800N	d2										●	●	●	●	●	●	●	●	●	●	●	●	●	●	●
SFF-140SS-□K-□K-1000N	d1															●	●	●	●	●	●	●	●	●
SFF-140SS-□K-□K-1000N	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]
Model	Rated torque[N･m]	Parallel[mm]	Angular [°]	Axial[mm]	Max. rotation speed[min^-1]	Torsional stiffness[N･m/rad]	Axial stiffness[N/mm]	Moment of inertia[kg･m²]	Mass[kg]
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

単位 [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]
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						2-M5	7
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						2-M5	7
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
SFF-070DS-□B-□B-90N	-	28･30･32･35	68	69.8	56	25	8	5.9	37	38	2-M6	14
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
SFF-070DS-□B-□B-100N	28･30･32･35	28･30･32･35	68	69.8	56	25	8	5.9	37	38	2-M6	14
SFF-080DS-□B-□B-150N	22･24･25	22･24･25	78	86.6	53	30	10	8.3	40	37	2-M8	34
SFF-080DS-□B-□B-150N	28･30･32･35	28･30･32･35	78	86.6	56	30	10	8.3	40	37	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
SFF-090DS-□B-□B-250N	-	35･38･40･42	88	86.6	74	30	10	8.3	50	50	2-M8	34
SFF-090DS-□B-□B-300N	30･32	30･32	88	86.6	66	30	10	8.3	50	50	2-M8	34
SFF-090DS-□B-□B-300N	35･38･40･42	35･38･40･42	88	86.6	74	30	10	8.3	50	50	2-M8	34
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
SFF-120DS-□B-□B-600N	48･50･55	48･50･55	118	112.4	100	40	12	10.2	72	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]
Model	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	●	●	●
SFF-040DS-□B-□B-8N	d2	●	●	●	●	●	●	●	●	●
SFF-040DS-□B-□B-12N	d1				●	●	●	●	●	●
SFF-040DS-□B-□B-12N	d2				●	●	●	●	●	●
SFF-050DS-□B-□B-25N	d1				●	●	●	●	●	●	●	●	●
SFF-050DS-□B-□B-25N	d2				●	●	●	●	●	●	●	●	●
SFF-060DS-□B-□B-60N	d1						●	●	●	●	●	●	●
SFF-060DS-□B-□B-60N	d2						●	●	●	●	●	●	●	●	●	●	●	●	●
SFF-060DS-□B-□B-80N	d1													●	●	●	●	●	●
SFF-060DS-□B-□B-80N	d2													●	●	●	●	●	●
SFF-070DS-□B-□B-90N	d1											●	●
SFF-070DS-□B-□B-90N	d2											●	●	●	●	●	●	●	●	●	●
SFF-070DS-□B-□B-100N	d1													●	●	●	●	●	●	●	●
SFF-070DS-□B-□B-100N	d2													●	●	●	●	●	●	●	●
SFF-080DS-□B-□B-150N	d1														●	●	●	●	●	●	●
SFF-080DS-□B-□B-150N	d2														●	●	●	●	●	●	●
SFF-080DS-□B-□B-200N	d1														●	●	●	●	●	●	●	●
SFF-080DS-□B-□B-200N	d2														●	●	●	●	●	●	●	●
SFF-090DS-□B-□B-250N	d1																●	●
SFF-090DS-□B-□B-250N	d2																●	●	●	●	●	●	●	●
SFF-090DS-□B-□B-300N	d1																		●	●	●	●	●	●
SFF-090DS-□B-□B-300N	d2																		●	●	●	●	●	●
SFF-100DS-□B-□B-450N	d1																			●	●	●	●	●	●	●
SFF-100DS-□B-□B-450N	d2																			●	●	●	●	●	●	●
SFF-120DS-□B-□B-600N	d1																			●	●	●	●	●	●	●	●	●
SFF-120DS-□B-□B-600N	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]
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									2-M5	7

[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]
Model	Rated torque[N･m]	Parallel[mm]	Angular [°]	Axial[mm]	Max. rotation speed[min^-1]	Torsional stiffness[N･m/rad]	Axial stiffness[N/mm]	Moment of inertia[kg･m²]	Mass[kg]
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

単位 [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.
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]
Model	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	●	●	●	●	●	●	●	●	●	●
SFF-070DS-□K-□K-100N	d2	●	●	●	●	●	●	●	●	●	●
SFF-080DS-□K-□K-150N	d1				●	●	●	●	●	●	●
SFF-080DS-□K-□K-150N	d2				●	●	●	●	●	●	●	●
SFF-080DS-□K-□K-200N	d1				●	●	●	●	●	●	●	●
SFF-080DS-□K-□K-200N	d2				●	●	●	●	●	●	●	●
SFF-090DS-□K-□K-300N	d1							●	●	●	●	●	●	●	●	●
SFF-090DS-□K-□K-300N	d2							●	●	●	●	●	●	●	●	●
SFF-100DS-□K-□K-450N	d1									●	●	●	●	●	●	●	●
SFF-100DS-□K-□K-450N	d2									●	●	●	●	●	●	●	●
SFF-120DS-□K-□K-600N	d1										●	●	●	●	●	●	●	●	●	●	●	●
SFF-120DS-□K-□K-600N	d2										●	●	●	●	●	●	●	●	●	●	●	●	●
SFF-140DS-□K-□K-800N	d1										●	●	●	●	●
SFF-140DS-□K-□K-800N	d2										●	●	●	●	●	●	●	●	●	●	●	●	●	●	●
SFF-140DS-□K-□K-1000N	d1															●	●	●	●	●	●	●	●	●
SFF-140DS-□K-□K-1000N	d2															●	●	●	●	●	●	●	●	●	●

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

Options of SFF Models

Tapered shaft supported Single Element/Clamping
- [Specifications/Dimensions]
  
  [Standard Bore Diameter]
Tapered shaft supported Double Element/Clamping
- [Specifications/Dimensions]
  
  [Standard Bore Diameter]
lange-Mounted
- [Specifications]
  
  [Dimensions]
  
  [Standard Bore Diameter]

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]
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］
Model		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]
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	17	5.1
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
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
SFF-050DS-□B-16CN-25N	10 ～19	15	5	17.3	48	80.3	42	29.5	21.5	41	7	5.4	20	20	6.8
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
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］
Model		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]
Model	Rated torque[N･m]	Parallel [mm]	Angular[°]	Axial [mm]	Max. rotation speed [min^-1]	Torsional stiffness [N･m/rad]	Axial stiffness [N/mm]	Moment of inertia [kg/m²]	Mass [kg]
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	8.69×10^-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	12.66×10^-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]

Model	Standard Bore Diameter
Model	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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Max. rated torque 490 N･m

Bore ranges 16 mm to 48 mm

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SFF Models

Features of SFF Models

SFF Models Specifications

Lineup

Structure and Materials

Options of SFF Models

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

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

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

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