Nema 17 hybrid stepping motor suitable for many 3D printer Reprap machines

2-phase with 4-wire bipolar windings.

General Specification:

Shaft Diameter: 5mm with flat face

Step Angle: 1.8° (200 step/rev)

Motor Length: 48 mm

Rated Current: 1.8 Amps per phase

Phase Resistance: 1.8 ohms

Phase Inductance: 3.2 mH

Holding Torque: 74 oz-in / 52 N.cm / 5.3 kg.cm

Detent Torque: 2.6 N.cm

Rotor Inertia:68 g.cm²

Weight: 370g

Wiring:

Red: A+

Green:A-

Yellow:B+

Blue:B-

Step angle accuracy: ±5%(full step,no load)

Resistance accuracy: ±10%

Inductance accuracy: ±20%

Temperature rise: 80°C Max(rated current,2 phase on)

Ambient temperature: -20° ~ +50°C

Insulation resistance:100MΩ Min,500VDC

Insultion Strength: 500VAC for one minute