Leadshine NEMA 23 1.89Nm 57HS21A-S31 Stepper Motor

A reliable and high-performance stepper motor ideal for precision motion control applications such as 3D printers, CNC machines, and automation systems.

Specifications

Model: 57HS21A-S31
Motor Type: NEMA 23 Stepper Motor
Step Angle: 1.8°
Holding Torque: 1.89 Nm
Rated Current/Phase: 3-5 A
Resistance/Phase: 0.9 Ω
Inductance/Phase: 3.8 mH
Rotor Inertia: 280 g·cm²
Shaft Diameter: 8mm
Number of Leads: 4

Shaft: 8mm
Length: 76 mm
Weight: Approx. 1.1 kg
Frame Size: 57 x 57 mm

Features

• High torque with stable performance

• Compact NEMA 23 size

• Compatible with most stepper drivers

• Ideal for medium torque demanding applications

• Low noise and smooth operation