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Product Details

The SHA-SG is a hollow shaft actuator with a compact outer diameter and exceptional torque/volume ratio. SHA Series AC Servo Actuators provide high torque and highly accurate rotary operation. These servo actuators utilize Harmonic Drive® precision gears combined with a brushless servomotor and magnetic absolute encoder. The SHA Series is an advanced version of the FHA series AC Servo Actuators, featuring a larger hollow shaft with a smaller, outside diameter. Key Features: - Zero backlash - High torque - Compact, slim design - Large center through hole


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Manufacturer Harmonic Drive
Short Description SHA Size 20, Hollow Shaft Output, 81:1 Ratio, 96 Nm Max Cont. Torque
Max Gear Ratio 81:1
Max Torque Rating (Nm) 96
Rotary Backlash (armin) 0.8
Max Speed (RPM) 74.1
Max Length (mm) 94
Max Outer Diameter (mm) 108.5
Mounting Flange
Max Operating Temperature (°C) 40
Max Operating Temperature (°F) 104
Max Length (in) 3.7
Weight (lbs) 4.63
Max Outer Diameter (in) 4.27
Reducer Style Housed Gearhead
Gearing Type Harmonic
Max Torque Rating (in-lbs) 850
Weight (kg) 2.1
Max Continuous Current (A) 2
Series SHA-SG Series
SHA Size 20, Hollow Shaft Output, 81:1 Ratio, 96 Nm Max Cont. Torque

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Product Availability
Custom Order: Ships in 6-8 Weeks. Expedited Delivery Available. Please Inquire.

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