Reasonable price Size 86mm Planetary Gearbox Stepper Motor – Nema 23 (57mm) Planetary gearbox stepper motor – Thinker

Motor Size

Voltage/

Phase

(V)

Current/

Phase

(A)

Resistance/

Phase

(Ω)

Inductance/

Phase

(mH)

Number of

Lead Wires

Holding Torque

(N.m)

Motor Length L

(mm)

57

2.1

3

0.71

1.9

4

0.7

45

57

2.6

3

0.86

2.6

4

1

55

57

3

4

0.76

3.2

4

1.5

65

57

3.6

4

0.9

4.5

4

1.8

75

57

3.8

5

0.75

3.2

4

2.5

100

57

4.1

5

0.81

4.6

4

3

112

Radial clearance

0.02mm Max (450g load)

Insulation resistance

100MΩ @500VDC

Axial clearance

0.08mm Max (450g load)

Dielectric strength

500VAC, 1mA, 1s@1KHZ

Max radial load

70N (20mm from flange surface)

Insulation class

Class B (80K)

Max axial load

15N

Ambient temperature

-20℃ ~ +50℃

Gearbox length L1 (mm)

Reduction ratio

53

10/5/4

70

100/50/40/25/20/16