Robot Geared Motor NEMA 11 Stepper L=51mm 1.0A with Ratio 20:1 Precision Short Planetary Gearbox

  • Part Number: 28AI51-1004S-HGC20
  • Lead Time: In Stock
  • Unit Price: $75.00
  • Sales: 12

  • *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 geared NEMA 11 stepper motor has 51mm body and 1.0A rated current, integrated with one precision planetary gearbox of gear ratio 20:1. It's a good solution to the applications that require limited space but low speed and high torque.

Motor Specification

  • Part Number: 28AI51-1004S-HGC20
  • Step Angle: 1.8deg
  • Bi/Unipolar: Bipolar
  • Holding Torque: 0.12Nm/17.04oz.in
  • Rated Current/phase: 1.0A
  • Driving Voltage: 12-24V
  • Frame Size: 28x28mm
  • Motor Length: 51mm
  • Number of Leads: 4
  • Lead Length: 500mm

Gearbox Specification

  • Gearbox Type: Planetary
  • Gear Ratio: 20:1
  • Efficiency: 94%
  • Backlash at No-load: <=20arcmin
  • Gearbox Length: 31.2mm
  • Shaft Diameter: Φ6mm
  • Shaft Length: 20mm
  • D-cut Length: 15mm

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Motor Specification
Step Angle(°)1.8
Bipolar/UnipolarBipolar
Holding Torque(Nm)0.12
Holding Torque(oz.in)17.0
Rated Current(A)1.0
Frame Size(mm)28x28
Body Length(mm)51
Driving Voltage(VDC)12-24
Gearbox Specification
Gearbox TypePlanetary
Gear Ratio20:1
Efficiency94%
Backlash at No-load20arcmin
Gearbox Length(mm)31.2
Output Shaft Diameter(mm)6
Output Shaft Length(mm)20
Output Shaft TypeD-cut
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