Step Accuracy: +/-5%
Temperature: 80 ℃ Max
Working environment temperature: -20 ℃ ~ +50 ℃
Insulation resistance: 100MΩ Min 500VDC
Pressure: 500V AC 1minute
Radial runout: maximum 0.02mm (450g load)
Axial runout: maximum 0.08mm (450g load)
Model
Step Angle
(degree)
Length
L (mm)
Holding Torque
(Nm)
Current
(A / Phase)
Resistance
(Ω)
Inductance
(MH)
Rotor inertia
(G.cm2)
Weight
(Kg)
BK57HB41-02
1.8
41
0.39
2.0
1.4
120
0.45
BK57HB51-03
51
0.72
3.0
1.65
0.9
275
0.65
BK57HB56-03
56
0.75
1.1
300
0.7
BK57HB76-03
76
1.35
1.0
1.6
480
