Servoflex SFU SS
The Servoflex disc pack coupling SFU SS is a partially assembled coupling that can be installed easily, precisely and quickly. It impresses with its high rigidity, high precision and simple and intelligent assembly. The hub and the unit can be separated to fulfil the customer’s various assembly requirements. Special customer requirements for the hub are also possible.
- 100 to 1000 Nm
- Maximum speed 18’000 rpm
- High precision
- Simple assembly
- Backlash-free
| 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-070SS-100N | 100 | 0.02 | 1 | ±0.5 | 18000 | 240000 | 484 | 0.53×10-3 | 0.86 |
| SFU-080SS-200N | 200 | 0.02 | 1 | ±0.5 | 17000 | 310000 | 546 | 1.26×10-3 | 1.52 |
| SFU-090SS-300N | 300 | 0.02 | 1 | ±0.6 | 15000 | 520000 | 321 | 2.01×10-3 | 1.90 |
| SFU-100SS-450N | 450 | 0.02 | 1 | ±0.65 | 13000 | 740000 | 540 | 3.88×10-3 | 3.01 |
| SFU120SS-600N | 600 | 0.02 | 1 | ±0.8 | 11000 | 970000 | 360 | 8.17×10-3 | 4.31 |
| SFU-140SS-1000N | 1000 | 0.02 | 1 | ±1.0 | 9500 | 1400000 | 360 | 18.43×10-3 | 6.93 |
Unit [mm]
| Model | d1 Min. | d1 Max. | d2 Min. | d2 Max. | D | N | L | LU | LS | LF | S | F | d3 | K | M1 | M1 N·m |
| SFU-070SS-100N | 8 | 25 | 8 | 25 | 68 | 40 | 69.9 | 28.7 | 23.9 | 23 | 5.9 | 1 | 36 | 38 | 6-M4 | 3.4 |
| SFU-080SS-200N | 11 | 35 | 11 | 35 | 78 | 54 | 82.7 | 36.5 | 30.7 | 26 | 7.7 | 5 | 38 | 42 | 6-M6 | 14 |
| SFU-090SS-300N | 11 | 38 | 11 | 38 | 88 | 58 | 90.3 | 37.3 | 30.3 | 30 | 8.3 | 2 | 48 | 50 | 6-M6 | 14 |
| SFU-100SS-450N | 16 | 42 | 16 | 42 | 98 | 68 | 106.2 | 43.2 | 36.2 | 35 | 10.2 | 0 | 50 | 56 | 6-M8 | 34 |
| SFU120SS-600N | 19 | 50 | 19 | 50 | 118 | 78 | 112.2 | 43.2 | 36.2 | 38 | 10.2 | 1 | 66 | 68 | 6-M8 | 34 |
| SFU-140SS-1000N | 22 | 60 | 22 | 60 | 138 | 88 | 131.6 | 48.6 | 41.6 | 45 | 10.6 | 8 | 76 | 78 | 6-M8 | 34 |
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