Product
25PA/28BYG
Description
 25PA/28BYG
PLANETARY GEAR STEPPER MOTOR
Housing Material: Metal
Backlash at No-load: ≤1°
Bearing at Output: Ball or Sleeve
Permissible Overhung Load: ≤2.5Kg
Permissible Thrust Load: ≤0.5Kg
Max. Radial Play: ≤0.05mm
Max. Thrust Play: ≤0.3mm
 
Gearbox Data
Reduction Ratio X:1 4 5 16 19 22 64 76 90 107
Exact Reduction Ratio X:1 4 4 3/4 16 19 22 9/16 65 76 90 1/4 107 11/64
Number of gear trains # 1 1 2 2 2 3 3 3 3
Max Permissible Torque Kg.cm 5 5 7 7 7 9 9 9 9
Moment Permissible Torque Kg.cm 10 10 15 15 15 20 20 20 20
Gearbox Length mm 21 21 26 26 26 31 31 31 31
 
Motor Specifications:
Model Step Angle Length (Ld) Phase Voltage Phase Current Phase Resistance Phase Inductance Holding Torque Lead Wire
(°) (mm) (V) (A) 锛Ω锛 (mH) (g.cm) (#)
28BYGH32-067-4A/B 1.8 32 3.75 0.67 5.6 3.4 600 4
28BYGH32-095-6A/B 1.8 32 2.66 0.95 2.8 0.8 430 6
28BYGH45-067-4A/B 1.8 45 4.56 0.67 6.5 4.9 950 4
28BYGH45-095-6A/B 1.8 45 3.22 0.95 3.4 1.2 750 6
28BYGH51-067-4A/B 1.8 51 6.20 0.67 9.2 7.2 1200 4
28BYGH51-095-6A/B 1.8 51 4.35 0.95 4.6 1.8 900 6
 
Mechanical Dimension: