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Nema 11 Stepper Motor Bipolar L=51mm w/ Gear Ratio 5:1 Planetary Gearbox

NO.:SKU:11HS20-0674S-PG5
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Latest price:$41.28
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This Nema 11 stepper motor with 51mm body and 0.67A rated current, integrated a planetary gearbox of 5.18:1 gear ratio. It's a good solution to applications that with limited space but need low speed and/or high torque.

Electrical Specification

  • Manufacturer Part Number: 11HS20-0674S-PG5
  • Motor Type: Bipolar Stepper
  • Step Angle: 0.35 deg
  • Holding Torque without Gearbox: 12Ncm(16.99oz.in)
  • Rated Current/phase: 0.67A
  • Phase Resistance: 9.2ohms
  • Voltage: 6.2V
  • Inductance: 5.7mH ± 20%(1KHz)

Gearbox Specifications

  • Gearbox Type: Planetary
  • Gear Ratio: 5.18: 1
  • Efficiency: 90%
  • Backlash at No-load: <=1 deg
  • Max.Permissible Torque: 2Nm(283oz.in)
  • Moment Permissible Torque: 4Nm(566oz.in)
  • Shaft Maximum Axial Load: 5N
  • Shaft Maximum Radial Load: 25N

Physical Specifications

  • Frame Size: 30 x 30mm
  • Motor Length: 50.5mm
  • Gearbox Length: 27.2mm
  • Shaft Diameter: Φ6mm
  • Shaft Length: 18mm
  • D-cut Length: 12mm
  • Number of Leads: 4
  • Lead Length: 300mm
  • Weight: 290g

Connection

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Gearbox Specification
Backlash at No-load(Max.°) 1
Efficiency 90%
Gear Ratio 5.18:1
Gearbox Length(mm) 27.2
Gearbox Type Planetary
Max. Permissible Torque(Ncm) 200
Max. Permissible Torque(oz.in) 283.2
Moment Permissible Torque(Ncm) 566.4
Shaft Maximum Axial Load(N) 5
Shaft Maximum Radial Load(N) 25
Motor Specification
Inductance(mH) 6.5
Lead Length(mm) 500
Motor Nema Size Nema 11
No. of Lead 4
Phase Resistance(ohm) 12
Rated Current (A) 0.67
Shaft Diameter(mm) 6
Shaft Length(mm) 18
Bipolar/Unipolar Bipolar
Holding Torque w/o Gearbox(Ncm) 14
Holding Torque w/o Gearbox(oz.in) 19.8
Motor Length(mm) 51
Single Shaft/Dual Shaft Single Shaft
Shaft Type D-Cut
Physical Specification
Weight(g) 400

rvperny – 13 Oct 2018

I'm using these for my CNC router table that I built. They are working good so far. I was kind of worried they wouldn't have enough torque but seem to be adequate using the grbl CNC shield.

andreas.valtingojer – 14 Jul 2018

Great trustworthy supplier Fine products Best Shipments Many Thanks

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