NEMA 17 Geared Stepper Motor 40mm: This compact geared stepper motor has a frame size 42x42mm with rated current 1.68a, integrated with a KG series high precision planetary gearbox that has a wide range of gear ratio 3 to 100. It is an ideal choice for the applications that require high torque or low speed but high precision motion control.
NEMA 17 Geared Stepper Motor 40mm Specification
Part Number: 42AI40-1684A-KG
Step Angle: 1.8deg w/o gearbox
Bi/Unipolar: Bipolar
Holding Torque: 0.45Nm w/o gearbox
Rated Current/phase: 1.68A
Frame Size: 42x42mm
Motor Length: 40mm
Number of Leads: 4
Lead Length: 500mm
Gearbox Type: Planetary
Gear Ratio: 4-70:1
Efficiency: 96%-94%
Backlash at No-load: 15arcmin-20arcmin
Gearbox Length: 40mm-51mm
Shaft Diameter: Φ8mm
Shaft Length: 21mm
Keyway Length: 14mm
Overall Size
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