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Servoflex SFU DS

The Servoflex disk pack coupling SFU DS is a double-cardanic, partially assembled coupling that can be installed easily, precisely and in a short time. It impresses with its high rigidity, high precision and simple and intelligent assembly. The hub and the unit can be separated to meet the customer’s various assembly requirements. Special customer requirements for the hub are also possible.

100 to 1000 Nm
Maximum speed 14’000 rpm
High precision
Simple assembly
Backlash-free

PDF Datasheet


Model	Rated torque (Nm)	Misalignment parallel (mm)	Misalignment angular (°)	Misalignment axial (mm)	Max. rpm (min^-1)	Torsional stiffness (Nm/rad)	Axial stiffness (N/mm)	Inertia (kg·m²)	Mass (kg)
SFU-070DS-100N	100	0.25	2	±1.0	14000	120000	242	0.66×10^-3	1.04
SFU-080DS-200N	200	0.31	2	±1.0	13000	155000	273	1.58×10^-3	1.86
SFU-090DS-300N	300	0.32	2	±1.2	12000	260000	160.5	2.50×10^-3	2.29
SFU-100DS-450N	450	0.38	2	±1.3	10000	370000	270	4.83×10^-3	3.63
SFU120DS-600N	600	0.38	2	±1.6	8000	485000	180	10.02×10^-3	5.09
SFU-140DS-1000N	1000	0.44	2	±2.0	7000	700000	180	22.57×10^-3	8.27

Unit [mm]


Model	Min.	Max.	D	N	L	LU	LS	LF	LP	S	F	d3	K	M1	M1 N·m
SFU-070DS-100N	8	25	68	40	83.3	42.6	37.8	23	8	5.9	1	36	38	6-M4	3.4
SFU-080DS-200N	11	35	78	54	100.4	54.2	48.4	26	10	7.7	5	38	42	6-M6	14
SFU-090DS-300N	11	38	88	58	108.6	55.6	48.6	30	10	8.3	2	48	50	6-M6	14
SFU-100DS-450N	16	42	98	68	128.4	65.4	58.4	35	12	10.2	0	50	56	6-M8	34
SFU120DS-600N	19	50	118	78	134.4	65.4	58.4	38	12	10.2	1	66	68	6-M8	34
SFU-140DS-1000N	22	60	138	88	157.2	74.2	67.2	45	15	10.6	8	76	78	6-M8	34

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