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5:1 Planetary Gearbox Nema 8 Stepper Motor Small Size High Torque

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5:1 Planetary Gearbox Nema 8 Stepper Motor Small Size High Torque

Product Description

This is the smallest high precision NEMA 8 Stepper motor, it has an integrated Planetary gearbox with a 4.75:1 gear ratio, the resolution reach 0.38° step angle. It's a good solution in applications that need very low rotation speeds and/or lots of torque.
Please note, this planetary gearbox is not high precision gearbox, the backlash we can promised is <=1 degree.

Specification
Motor Type Bipolar Stepper
Step Angle(W/O Gearbox) 1.8°
Holding Torque 17.1Ncm ( 24.11 oz-in)
Rated Current/phase 0.6A
Phase Resistance 10ohms
Recommended Voltage 12-24V
Inductance 5.5mH±20%(1KHz)
Gearbox Type Planetary
Gear Ratio(Exact Gear Ratio) 4 + 3/4
Efficiency 90%
Backlash at No-load <=1°
Max.Permissible Torque 0.5Nm(70.8oz-in)
Moment Permissible Torque 1Nm(141.6oz-in)
Shaft Maximum Axial Load 5N
Shaft Maximum Radial Load 25N
Weight 120g

 

Drawing
Wire Connection

 

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