Two-phase stepper motor 57BHH110-422A-30D

hybrid stepperNEMA 23for robotics

Product overview
The 57BHH110-422A-30D is a 57 mm (NEMA 23) 2-phase hybrid stepper motor providing 3.139 N·m (32 kg·cm) holding torque in a 110 mm body. Rated at 4.2 A/phase, it is suitable for precision motion control in industrial automation, CNC and robotic positioning systems. Recommended driver: CWD556.

Key highlights

• 2-phase, 1.8° step angle — 3.139 N·m (32 kg·cm) holding torque
• Rated current 4.2 A/Phase — 57 mm (NEMA 23) frame
• 110 mm body length with 10 mm shaft diameter

Electrical specifications
Step angle — 1.8° ± 5%
Holding torque — 3.139 N·m (32 kg·cm)
Rated current — 4.2 A/Phase
Number of phases — 2
Number of leads — 4
Shaft diameter — 10 mm
Frame size — 57 mm (NEMA 23)
Body length — 110 mm
Weight — 2.2 kg
Recommended driver — CWD556

Mechanical drawing
Mechanical drawing for the 57BH series (57 mm / NEMA 23) is available showing mounting dimensions and shaft details to assist integration.

Torque-speed curve
Torque-speed performance curve for the 57BH series is available to evaluate torque versus speed for application selection.

Model specifications

• Model / Part Number: 57BHH110-422A-30D
• Commercial designation: 57BHH110
• Frame size: 57 mm (NEMA 23)
• Body length: 110 mm
• Step angle: 1.8° ± 5%
• Phases: 2
• Rated current: 4.2 A/Phase
• Holding torque: 3.139 N·m (32 kg·cm)
• Number of leads: 4
• Shaft diameter: 10 mm
• Weight: 2.2 kg
• Recommended driver: CWD556