Hybrid stepper motor 57BHH41-099A-12K

two-phase steppercompactNEMA 23

Overview
The 57BHH41-099A-12K is a 57mm (NEMA 23) 2-phase hybrid stepper motor providing 0.981 N·m (10 kg·cm) holding torque in a compact 41 mm body. Rated at 1 A per phase with a 6.35 mm shaft, it is suitable for precision motion control and industrial automation applications. Recommended driver: CW542.

Key Highlights

• 2-phase, 1.8° step angle — 0.981 N·m (10 kg·cm) holding torque
• Rated current: 1 A/phase
• 57 mm (NEMA 23) frame, 41 mm body length
• 6.35 mm shaft diameter, 4-lead configuration

Quick Parameters
Phase — 2
Step angle — 1.8°
Holding torque — 0.981 N·m
Current/phase — 1 A
Shaft diameter — 6.35 mm
No. of leads — 4

Electrical Specifications
Step angle — 1.8° ± 5%
Holding torque — 0.981 N·m (10 kg·cm)
Rated current — 1 A/phase
No. of phases — 2
No. of leads — 4
Shaft diameter — 6.35 mm
Frame size — 57 mm (NEMA 23)
Body length — 41 mm
Weight — 0.46 kg
Recommended driver — CW542

Mechanical & Performance
Mechanical drawing for the 57BH series is provided to support integration. A torque–speed curve for the series is available to assess dynamic performance under load.

Product Datasheet
Product datasheet referencing 57BHH41-099A-12K is available (PDF download on the product page).

Technical specifications

• Model series: 57BHH (57 mm NEMA 23)
• Model designation: 57BHH41
• Frame size: 57 mm (NEMA 23)
• Body length: 41 mm
• Step angle: 1.8° ± 5%
• Number of phases: 2
• Number of leads: 4
• Rated current: 1 A per phase
• Holding torque: 0.981 N·m (10 kg·cm)
• Shaft diameter: 6.35 mm
• Weight: 0.46 kg
• Recommended driver: CW542