NEMA 11 High Precision Geared Stepper Motor: This small geared stepper motor has a frame size 28x28mm with rated current 0.67a, integrated with a HP series high precision square planetary gearbox that has a wide range of gear ratio 4 to 70. It is an ideal choice for the applications that require high torque or low speed but high precision motion control.
NEMA 11 High Precision Geared Stepper Motor Specification
Part Number: 28AI51-0674S-FG
Step Angle: 1.8deg w/o gearbox
Bi/Unipolar: Bipolar
Holding Torque: 0.12Nm w/o gearbox
Rated Current/phase: 0.67A
Frame Size: 28x28mm
Motor Length: 51mm
Number of Leads: 4
Lead Length: 500mm
Gearbox Type: Planetary
Gear Ratio: 4-70:1
Efficiency: 94%-96%
Backlash at No-load: 10arcmin-15arcmin
Gearbox Length: 38mm-46.5mm
Shaft Diameter: Φ5mm
Shaft Length: 20mm
D-cut Length: 15mm
Overall Size
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