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Nema 17 Stepper Motor Bipolar L=48mm 44Ncm 0.018 deg 1.68A 2.8V with 100:1 Planetary Gearbox

Nema 17 Stepper Motor Bipolar L=48mm 44Ncm 0.018 deg 1.68A  2.8V with 100:1 Planetary Gearbox
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Our Price:$35.24
Quantity:- +

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Qty.Range(unit) Price(unit) Discount
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10 $32.77 7%
50 $31.72 10%
100 $30.66 13%
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This Nema 17 stepper motor with 48mm body and 1.68A rated current, integrated a planetary gearbox of 99.05:1 gear ratio. It's suitable for applications that with limited space but need low speed and high torque.


Electrical Specification

  • Manufacturer Part Number: 17HS19-1684S-PG100
  • Motor Type: Bipolar Stepper
  • Step Angle: 0.018 deg
  • Holding Torque without Gearbox: 44Ncm(62.31oz.in)
  • Rated Current/phase: 1.68A
  • Phase Resistance: 1.65ohms
  • Voltage: 2.8V
  • Inductance: 2.8mH ± 20%(1KHz)

Gearbox Specifications

  • Gearbox Type: Planetary
  • Gear Ratio: 99.05: 1
  • Efficiency: 73%
  • Backlash at No-load: <=1 deg
  • Max.Permissible Torque: 4Nm(566oz.in)
  • Moment Permissible Torque: 6Nm(850oz.in)
  • Shaft Maximum Axial Load: 50N
  • Shaft Maximum Radial Load: 100N

Physical Specifications

  • Frame Size: 42 x 42mm
  • Motor Length: 48mm
  • Gearbox Length: 42.7mm
  • Shaft Diameter: Φ8mm
  • Shaft Length: 20mm
  • D-cut Length: 15mm
  • Number of Leads: 4
  • Lead Length: 500mm
  • Weight: 630g





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Gearbox Specification
Backlash at No-load(Max.°) 1
Efficiency 73%
Gear Ratio 99.05:1
Gearbox Length(mm) 42.7
Gearbox Type Planetary
Max. Permissible Torque(Ncm) 400
Max. Permissible Torque(oz.in) 566.4
Moment Permissible Torque(Ncm) 849.7
Shaft Maximum Axial Load(N) 50
Shaft Maximum Radial Load(N) 100
Motor Specification
Inductance(mH) 3.2
Lead Length(mm) 500
Motor Nema Size Nema 17
No. of Lead 4
Phase Resistance(ohm) 1.8
Rated Current (A) 1.68
Shaft Diameter(mm) 8
Shaft Length(mm) 20
Bipolar/Unipolar Bipolar
Holding Torque w/o Gearbox(Ncm) 52
Holding Torque w/o Gearbox(oz.in) 73.6
Motor Length(mm) 48
Single Shaft/Dual Shaft Single Shaft
Shaft Type D-Cut
Physical Specification
Weight(g) 600

anki_gmc – 22 Mar 2018


John – 18 Dec 2016

Using this to make a custom lab instrument. With a driver that can micro-step this unit provides an incredible 7.8nm/step resolution. There is minimal backlash in the gearbox.

Chris Jacobs – 15 Feb 2016

The motor works great and the output shaft spins slowly as expected with such a high gear ratio. Only two concerns which prevented a 5/5 star review are that the motor did not have the standard 4 pin connector (just had 4 loose wires) and the motor is not compatible with a standard Nema 17 mount due to the gearbox attached to the front.

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