This size 90mm NEMA 34 precision planetary gearbox with round 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 NEMA 34 stepper motor and brushless dc motor or other motors. Please note this extended gearbox are recommended for the motor has shaft length 32-40mm.
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