NEMA 17 Precise Gearbox Stepper: This compact geared stepper motor has a frame size 42x42mm with rated current 1.68a, integrated with a HG 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 Precise Gearbox Stepper Specification
Part Number: 42AI48-1684S-HG
Step Angle: 1.8deg w/o gearbox
Bi/Unipolar: Bipolar
Holding Torque: 0.55Nm w/o gearbox
Rated Current/phase: 1.68A
Frame Size: 42x42mm
Motor Length: 48mm
Number of Leads: 4
Lead Length: 500mm
Gearbox Type: Planetary
Gear Ratio: 3-100:1
Efficiency: 96%-92%
Backlash at No-load: 15arcmin-25arcmin
Gearbox Length: 43mm-53.5mm
Shaft Diameter: Φ8mm
Shaft Length: 21.5mm
Keyway Length: 14mm
Overall Size
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