Robot Geared Motor NEMA 17 Stepper L=40mm 1.68A with Ratio 50:1 Precision Planetary Gearbox

  • Part Number: 42AI40-1684S-KG50
  • Lead Time: In Stock
  • Unit Price: $55.00
  • Sales: 7

  • *Ship from China

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The order will be shipped out in 24-72 hours if the items are in stock. Please feel free to contact us for more discounts if the order is over 999USD.

This NEMA 17 geared reduction stepper motor has a moderate body length 40mm and 1.68A rated current, which is integrated with a high precision & low backlash planetary gearbox of 50:1 gear ratio, generating a strong holding torque otuput upto 10Nm/1420oz.in & a very low speed 0-20rpm. It's an ideal solution to the applications that require limited space but low speed and high torque.

Motor Specification

  • Part Number: 42AI40-1684S-KG50
  • Step Angle: 1.8deg
  • Bi/Unipolar: Bipolar
  • Holding Torque: 0.45Nm/63.9oz.in
  • Rated Current/phase: 1.68A
  • Driving Voltage: 12-24V
  • Frame Size: 42x42mm
  • Motor Length: 40mm
  • Number of Leads: 4
  • Lead Length: 500mm

Gearbox Specification

  • Gearbox Type: Planetary
  • Gear Ratio: 50:1
  • Efficiency: 94%
  • Backlash at No-load: 20arcmin
  • Rated Torque: 10Nm/1420oz.in
  • Gearbo Length: 51mm
  • Shaft Diameter: Φ8mm
  • Shaft Length: 21.5mm
  • Keyway Length: 14mm

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Motor Specification
Step Angle(°)1.8
Bipolar/UnipolarBipolar
Holding Torque(Nm)0.45
Holding Torque(oz.in)63.9
Rated Current(A)1.68
Frame Size(mm)42x42
Body Length(mm)40
Driving Voltage(VDC)12-24
Gearbox Specification
Gearbox TypePlanetary
Gear Ratio50:1
Efficiency94%
Backlash at No-load20arcmin
Gearbox Length(mm)51
Shaft Diameter(mm)8
Shaft Length(mm)21.5
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