This precision size 42mm servo motor planetary gearbox with square flange has a gear ratio 3 to 100 and low backalsh from 15arc-min to 20arc-min. It’s an excellent choice for applications that require good accuracy and stable reliability at an exceptional value. Wha’s more, this inline short planetary gearbox has a built-in input shaft coupling which can match any standard 40/42mm servo motor or other motors. Please note this extended gearbox are recommended for the motor has shaft length 15-24mm.
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