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CSF series Component typeCSF series Component type
| Features | Models & Symbols | Specification | Product drawing | Harmonic Drive® list
Features
Having evolved further, our component type Harmonic Drive® have re-emerged in a more compact and easier-to-install configuration.
Component type CSF series Harmonic Drive® have been developed to meet the needs of the industry as they concern space saving, cost efficiency and other performance characteristics at a time when demand for such features are increasing in tandem with the accelerated pace of technological innovation. The CSF series Harmonic Drive® offered here can be directly integrated into your machinery/equipment. With the addition of a 1/30 reduction ratio series, our Harmonic Drive® have made their debut in an even richer line-up so you can select the unit that is most suitable for your needs.
• Compact and simple configuration
• High torque capacity
• High rigidity
• Non backlash
• High positional accuracy and high rotational accuracy
• High efficiency
• Smoothness of operation
• Coaxial input and output

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Models & Symbols
Models & Symbols
1 Type: CSF series
2 Size: 8, 11, 14, 17, 20, 25, 32, 40, 45, 50, 58, 65, 80, 90, 100
3 Reduction ratio: 30, 50, 80, 100, 120, 160
4 Models and symbols:
• 2A-GR = Component type ("2A-R" for sizes 8, 11, 14 and 17)
• 2UH = Unit type
5 Specification: The symbols for the lubrication and operating condition.
6 Special specification (Suffix "SP" is only special specification)

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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
8 30 0.9 1.8 1.4 3.3 8500
50 1.8 3.3 2.3 6.6
100 2.4 4.8 3.3 9.0
11 30 2.2 4.5 3.4 8.5 8500
50 3.5 8.3 5.5 17
100 5.0 11 8.9 25
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
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
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
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
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
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
80 50 872 2440 1260 4870 2300
80 1320 3430 1830 6590
100 1700 4220 2360 7910
120 1990 4590 3130 7910
160 1990 4910 3130 7910
90 50 1180 3530 1720 6660 2000
80 1550 3990 2510 7250
100 2270 5680 3360 9020
120 2570 6160 4300 9800
160 2700 6840 4300 11300
100 50 1580 4450 2280 8900 1800
80 2380 6060 3310 11600
100 2940 7350 4630 14100
120 3180 7960 5720 15300
160 3550 9180 5720 15500

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Product drawing
Product drawing
(Unit:mm)
Symbol /Size 8 11 14 17 20 25 32 40
øA h6 30 40 50 60 70 85 110 135
B 22.1 25.8 28.5 32.5 33.5 37 44 53
C 4.5 5 6 6.5 7.5 10 14 17
D 12 16 17.6 19.5 20.1 20.2 22 27.5
Mass(kg) 0.026 0.05 0.09 0.15 0.28 0.42 0.89 1.7
Symbol /Size 45 50 58 65 80 90 100  
øA h6 155 170 195 215 265 300 330  
B 58.5 64 75.5 83 101 112.5 125  
C 19 22 25 29 36 41 46  
D 27.9 32 34.9 40.9 49.1 48.2 56.7  
Mass(kg) 2.3 3.2 4.7 6.7 12.4 17.6 23.5  

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

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| Features | Models & Symbols | Specification | Product drawing | Harmonic Drive® list
JASDAQJ STOCKSystem management attestationHarmonic Drive Systems Inc.
The academic and general nomenclature for "Harmonic Drive®" is "harmonic drive gearing". "Harmonic Drive®"is a registered trademark that can be used only on products which are manufactured and sold by Harmonic Drive Systems Inc.
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