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Nema 11 Gear Stepper L=51mm w/ Rear Shaft & Screw Hole & Gear Ratio 51:1 Gearbox

NO.:11HS20-0674D-PG51
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Latest price:$53.90
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This Nema 11 stepper motor with 51mm body and 0.67A rated current, integrated a planetary gearbox of 51.9:1 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: 11HS20-0674D-PG51
  • Motor Type: Bipolar Stepper
  • Step Angle: 1.8 deg
  • Holding Torque: 14Ncm(19.88oz.in)
  • Rated Current/phase: 0.67A
  • Voltage: 8.04V
  • Phase Resistance: 12ohms
  • Inductance: 6.5mH ± 20%(1KHz)

Gearbox Specifications

  • Gearbox Type:Planetary
  • Gear Ratio:51.9:1
  • Efficiency:73%
  • Backlash at No-load:<=1deg
  • Max.Permissible Torque:4N.m(566oz.in)
  • Moment Permissible Torque:6N.m(850oz.in)
  • Shaft Maximum Axial Load:5N
  • Shaft Maximum Radial Load:25N

Physical Specification

  • Frame Size: 28 x 28mm
  • Motor Length: 51mm
  • Gearbox Length:42.7mm
  • Front Shaft Diameter: Φ6mm
  • Front Shaft Length: 18mm
  • Front D-cut Length: 12mm
  • Rear Shaft Diameter: Φ4mm
  • Rear Shaft Length:12mm
  • Number of Leads: 4
  • Lead Length: 500mm
  • Weight: 400g

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Gearbox Specification
Efficiency 73%
Gear Ratio 50.9:1
Gearbox Length(mm) 42.7
Gearbox Type Planetary
Backlash at No-load(Max.°) 1
Max. Permissible Torque(Ncm) 400
Max. Permissible Torque(oz.in) 566.56
Moment Permissible Torque(Ncm) 600
Moment Permissible Torque(oz.in) 849.84
Shaft Maximum Axial Load(N) 5
Shaft Maximum Radial Load(N) 25
Motor Specification
Bipolar/Unipolar Bipolar
Holding Torque w/o Gearbox(Ncm) 14
Holding Torque w/o Gearbox(oz.in) 19.83
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
Shaft Type D-Cut
Single Shaft/Dual Shaft Dual Shaft
Physical Specification
Weight(g) 400
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