SFF Models – Miki Pulley

Features

Specifications

Structure and Materials

Downloads

Friction coupling compatible with large diameters

Unlike past models of the frictional coupling type, these have no guide on the sleeve periphery to increase the precision of insertion, so they can handle large-diameter shafts.

Reliable shaft coupling

Since frictional coupling is used to mount on shafts, you can achieve high coupling strength simply by fastening the pressure bolts at the end surface of the flange, in order. They can also be mounted without drag turning by sticking a rod or the like into a hole drilled into the outer circumference of the flange.

Supports wide range of shaft dimensional tolerances

The basic class for the shaft dimensional tolerances is h7, but a wide range is supported, including k6, m6, and j6.

Pre-assembled Products

The flanges at the two sides of the coupling are assembled using a dedicated, high-precision tool, ensuring a high degree of concentricity. This helps shorten assembly time for the customer.

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

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

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

[Dimensions]-Clamping

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

[Dimensions] - Wedge Coupling

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

Download 3D CAD

SFF-040SS-8N	clamp types	(Shaft bore diameter[d1]:8~9.525 Shaft bore diameter[d2]:8~16)
SFF-040SS-12N	clamp types	(Shaft bore diameter[d1]:10~16 Shaft bore diameter[d2]:10~16)
SFF-050SS-25N	clamp types	(Shaft bore diameter[d1]:10~19 Shaft bore diameter[d2]:10~19)
SFF-060SS-60N	clamp types	(Shaft bore diameter[d1]:12~19 Shaft bore diameter[d2]:12~30)
SFF-060SS-80N	clamp types	(Shaft bore diameter[d1]:20~30 Shaft bore diameter[d2]:20~30)
SFF-070SS-90N	clamp types	(Shaft bore diameter[d1]:18~19 Shaft bore diameter[d2]:18~35)
SFF-070SS-100N	clamp types	(Shaft bore diameter[d1]:20~35 Shaft bore diameter[d2]:20~35)
SFF-070SS-100N	wedge types	(Shaft bore diameter[d1]:18~35 Shaft bore diameter[d2]:18~35)
SFF-080SS-150N	clamp types	(Shaft bore diameter[d1]:22~35 Shaft bore diameter[d2]:22~35)
SFF-080SS-150N	wedge types	(Shaft bore diameter[d1]:22~35 Shaft bore diameter[d2]:22~38)
SFF-080SS-200N	clamp types	(Shaft bore diameter[d1]:22~38 Shaft bore diameter[d2]:22~38)
SFF-080SS-200N	wedge types	(Shaft bore diameter[d1]:22~38 Shaft bore diameter[d2]:22~38)
SFF-090SS-250N	clamp types	(Shaft bore diameter[d1]:25~28 Shaft bore diameter[d2]:25~42)
SFF-090SS-300N	clamp types	(Shaft bore diameter[d1]:30~42 Shaft bore diameter[d2]:30~42)
SFF-090SS-300N	wedge types	(Shaft bore diameter[d1]:28~48 Shaft bore diameter[d2]:28~48)
SFF-100SS-450N	clamp types	(Shaft bore diameter[d1]:32~48 Shaft bore diameter[d2]:32~48)
SFF-100SS-450N	wedge types	(Shaft bore diameter[d1]:32~50 Shaft bore diameter[d2]:32~50)
SFF-120SS-600N	clamp types	(Shaft bore diameter[d1]:32~55 Shaft bore diameter[d2]:32~55)
SFF-120SS-600N	wedge types	(Shaft bore diameter[d1]:32~50 Shaft bore diameter[d2]:32~50)
SFF-140SS-800N	wedge types	(Shaft bore diameter[d1]:35~45 Shaft bore diameter[d2]:35~80)
SFF-140SS-1000N	wedge types	(Shaft bore diameter[d1]:48~75 Shaft bore diameter[d2]:48~80)
SFF-040DS-8N	clamp types	(Shaft bore diameter[d1]:8~9.525 Shaft bore diameter[d2]:8~16)
SFF-00DS-N	clamp types	(Shaft bore diameter[d1]:10~16 Shaft bore diameter[d2]:10~16)
SFF-050DS-25N	clamp types	(Shaft bore diameter[d1]:10~19 Shaft bore diameter[d2]:10~19)
SFF-060DS-60N	clamp types	(Shaft bore diameter[d1]:12~19 Shaft bore diameter[d2]:12~30)
SFF-060DS-80N	clamp types	(Shaft bore diameter[d1]:20~30 Shaft bore diameter[d2]:20~30)
SFF-070DS-90N	clamp types	(Shaft bore diameter[d1]:18~19 Shaft bore diameter[d2]:18~35)
SFF-070DS-100N	clamp types	(Shaft bore diameter[d1]:20~35 Shaft bore diameter[d2]:20~35)
SFF-070DS-100N	wedge types	(Shaft bore diameter[d1]:18~35 Shaft bore diameter[d2]:18~35)
SFF-080DS-150N	clamp types	(Shaft bore diameter[d1]:22~35 Shaft bore diameter[d2]:22~35)
SFF-080DS-150N	wedge types	(Shaft bore diameter[d1]:22~35 Shaft bore diameter[d2]:22~38)
SFF-080DS-200N	clamp types	(Shaft bore diameter[d1]:22~38 Shaft bore diameter[d2]:22~38)
SFF-080DS-200N	wedge types	(Shaft bore diameter[d1]:22~38 Shaft bore diameter[d2]:22~38)
SFF-090DS-250N	clamp types	(Shaft bore diameter[d1]:25~28 Shaft bore diameter[d2]:25~42)
SFF-090DS-300N	clamp types	(Shaft bore diameter[d1]:30~42 Shaft bore diameter[d2]:30~42)
SFF-090DS-300N	wedge types	(Shaft bore diameter[d1]:28~48 Shaft bore diameter[d2]:28~48)
SFF-100DS-450N	clamp types	(Shaft bore diameter[d1]:32~48 Shaft bore diameter[d2]:32~48)
SFF-100DS-450N	wedge types	(Shaft bore diameter[d1]:32~50 Shaft bore diameter[d2]:32~50)
SFF-120DS-600N	clamp types	(Shaft bore diameter[d1]:32~55 Shaft bore diameter[d2]:32~55)
SFF-120DS-600N	wedge types	(Shaft bore diameter[d1]:35~65 Shaft bore diameter[d2]:35~70)
SFF-140DS-800N	wedge types	(Shaft bore diameter[d1]:35~45 Shaft bore diameter[d2]:35~80)
SFF-140DS-1000N	wedge types	(Shaft bore diameter[d1]:48~75 Shaft bore diameter[d2]:48~80)