Two-phase stepper motor 57BHH76-209B-21B

hybrid stepperNEMA 23precision

Product Overview
The 57BHH76-209B-21B is a 57 mm (NEMA 23) 2-phase hybrid stepper motor delivering 1.884 N·m (19.2 kg·cm) of holding torque in a 76 mm body. With a rated current of 2.1 A/phase, it is designed for precise motion control in industrial automation and positioning applications. Recommended driver: CW542.

Key Highlights

• 2-phase, 1.8° step angle — 19.2 kg·cm (1.884 N·m) holding torque
• Rated current: 2.1 A/phase — 57 mm (NEMA 23) frame
• Body length: 76 mm — shaft diameter: 6.35 mm

Electrical Specifications
Step angle — 1.8° ± 5%
Holding torque — 1.884 N·m (19.2 kg·cm)
Rated current — 2.1 A/Phase
No. of phases — 2
No. of leads — 4
Shaft diameter — 6.35 mm
Frame size — 57 mm (NEMA 23)
Body length — 76 mm
Weight — 1.1 kg
Recommended driver — CW542

Product Datasheet
Product datasheet identifier: 57BHH76-209B-21B

Technical characteristics / specifications

• Model: 57BHH76 (reference: 57BHH76-209B-21B)
• Frame size: 57 mm (NEMA 23)
• Body length: 76 mm
• Phases: 2
• Step angle: 1.8° ± 5%
• Holding torque: 1.884 N·m (19.2 kg·cm)
• Rated current: 2.1 A/Phase
• No. of leads: 4
• Shaft diameter: 6.35 mm
• Weight: 1.1 kg
• Recommended driver: CW542