Nema 11 Geared Stepper Motor L=51mm 1.8 Deg 14Ncm 0.67A 8.04V with 14:1 Gearbox D-Cut
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This Nema 11 stepper motor with 51mm body and 0.67A rated current, integrated a planetary gearbox of 13.73:1 gear ratio.
Electrical Specification
Manufacturer Part Number: 11HS20-0674D-PG14
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:13.73:1
Efficiency:81%
Backlash at No-load:<=1deg
Max.Permissible Torque:3N.m(425oz.in)
Moment Permissible Torque:5N.m(708oz.in)
Shaft Maximum Axial Load:5N
Shaft Maximum Radial Load:25N
Physical Specification
Frame Size: 28 x 28mm
Motor Length: 51mm
Gearbox Length:35mm
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
Connection
| A+ | A- | B+ | B- |
| Black | Green | Red | Blue |
| Gearbox Specification | |
|---|---|
| Efficiency | 81% |
| Gear Ratio | 13.73:1 |
| Gearbox Length(mm) | 35 |
| Gearbox Type | Planetary |
| Backlash at No-load(Max.°) | 1 |
| Max. Permissible Torque(Ncm) | 300 |
| Max. Permissible Torque(oz.in) | 424.92 |
| Moment Permissible Torque(Ncm) | 500 |
| Moment Permissible Torque(oz.in) | 708.2 |
| 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 |
Pawan – 12 Oct 2026
I want to know whether the rear shaft on this stepper is connected to the geared output shaft, i.e. do both shafts turn at the same rate?
