Hybrid stepper motor 57BHH65-300D-34KB

two-phase stepperNEMA 23

Product overview
The 57BHH65-300D-34KB is a 57mm (NEMA 23) 2-phase hybrid stepper motor designed for precision motion control in industrial applications. It delivers 1.177 N·m (12 kg·cm) holding torque from a 65 mm body and is rated at 3 A/phase. Recommended driver: CW542.

Key highlights

• 2-phase, 1.8° step angle — 1.177 N·m (12 kg·cm) holding torque
• Rated current 3 A/phase — 57 mm (NEMA 23) frame
• Body length 65 mm, shaft diameter 10 mm

Electrical specifications

• Step angle: 1.8° ± 5%
• Holding torque: 1.177 N·m (12 kg·cm)
• Rated current: 3 A/phase
• Number of phases: 2
• Number of leads: 4

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

Torque-speed curve
Torque-speed characteristic (57BH series) provided to evaluate torque versus speed performance under rated conditions.

Technical specifications

• Model designation: 57BHH65-300D-34KB
• Commercial model: 57BHH65
• Frame size: 57 mm (NEMA 23)
• Body length: 65 mm
• Step angle: 1.8° ± 5%
• Phases: 2
• Rated current: 3 A/phase
• Holding torque: 1.177 N·m (12 kg·cm)
• Number of leads: 4
• Shaft diameter: 10 mm
• Weight: 0.75 kg
• Recommended driver: CW542