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Features

Space-saving, cost-efficient, etc. ... Satisfying demand for features such as these, CFS series unit type Harmonic Drive® are the solution in an industry where technological innovations are being achieved at an accelerated pace. Please select the unit that most suits your needs from the 10 different unit types we offer
-- in each of which ease of installation is taken to a new level.

• Simple and compact configuration
• Direct load on the input section is made possible with built-in cross roller bearings
• High torque capacity
• High rigidity
• Non backlash
• High positional accuracy and high rotational accuracy
• High efficiency
• Smoothness of operation
• Coaxial input and output

Models & Symbols
a
1. Type: CSF series
2. Size: 14, 17, 20, 25, 32, 40, 45, 50, 58, 65
3. Reduction ratio: 30, 50, 80, 100, 120, 160
4. Models and symbols:
    • 2A-GR = Component type (Size.8, 11, 14, 17 use 2A-R)
    • 2UH = Unit type
5. Special specification (Suffix "SP" is only special specification)

  Specification
Size
Reduction ratio
Rated torque at 2000r/min
Allowable peak torque at start and stop
Allowable average torque
Allowable maximum momentary torque
Maximum input speed (Grease lubrication)
N·m
N·m
N·m
N·m
r/min
14
30
4.0
9.0
6.8
17
8500
50
5.4
18
6.9
35
80
7.8
23
11
47
100
7.8
28
11
54
17
30
8.8
16
12
30
7300
50
16
34
26
70
80
22
43
27
87
100
24
54
39
108
120
24
54
39
86
20
30
15
27
20
50
6500
50
25
56
34
98
80
34
74
47
127
100
40
82
49
147
120
40
87
49
147
160
40
92
49
147
25
30
27
50
38
95
5600
50
39
98
55
186
80
63
137
87
255
100
67
157
108
284
120
67
167
108
304
160
67
176
108
314
32
30
54
100
75
200
4800
50
76
216
108
382
80
118
304
167
568
100
137
333
216
647
120
137
353
216
686
160
137
372
216
686
Size
Reduction ratio
Rated torque at 2000r/min
Allowable peak torque at start and stop
Allowable average torque
Allowable maximum momentary torque
Maximum input speed (Grease lubrication)
N·m
N·m
N·m
N·m
r/min
40
50
137
402
196
686
4000
80
206
519
284
980
100
265
568
372
1080
120
294
617
451
1180
160
294
647
451
1180
45
50
176
500
265
950
3800
80
313
706
390
1270
100
353
755
500
1570
120
402
823
620
1760
160
402
882
630
1910
50
50
245
715
350
1430
3500
80
372
941
519
1860
100
470
980
666
2060
120
529
1080
813
2060
160
529
1180
843
2450
58
50
353
1020
520
1960
3000
80
549
1480
770
2450
100
696
1590
1060
3180
120
745
1720
1190
3330
160
745
1840
1210
3430
65
50
490
1420
720
2830
2800
80
745
2110
1040
3720
100
951
2300
1520
4750
120
951
2510
1570
4750
160
951
2630
1570
4750
   

Product Drawing
S
(Unit:mm)
Symbol /Size
14
17
20
25
32
40
45
50
58
65
øA
73
79
93
107
138
160
180
190
226
260
B
41
45
45.5
52
62
72.5
79.5
90
104.5
115
C
7
8
10
10
12
16
16
16
20
24
øD h7
56
63
72
86
113
127
148
158
186
212
Mass(kg)
0.52
0.68
0.98
1.5
3.2
5.0
7.0
8.9
14.6
20.9

   Please confirm dimensions and specification with the drawing issued by Harmonic Drive Systems.