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Family CD-20

SitoDrive CD-20 70mm Harmonic Drive Hollow Flat High Torque 100 Ratio Harmonic Reducer CSD-20 for Nema 34 86mm stepper motor reducer

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CD-20

Harmonic reducer

Diameter: 70 mm

Thickness: 29.7 mm

Weight: ≤ 0.591 kg

CD-20 Parameter
Gear Ratio	30	50	80	100	120
Rate Torque at 2000 rpm [Nm]	10.2	17	24	28	28
Limit for Repeated Peak Torque [Nm]	23.4	39	51	57	61
Limit for Average Torque[Nm]	14.4	24	33	34	34
Limit for Momentary Peak Torque [Nm]	41.4	69	76	76	95
Maximum Input Speed [rpm]	6500	6500	6500	6500	6500
Limit for Average Input Speed [rpm]	3500	3500	3500	3500	3500
Moment of Inertia [Ix10^-4 kgm^2]	0.09	0.09	0.09	0.09	0.09
Backlash [Arcsec]	≤20	≤20	≤10	≤10	≤10