Two-phase stepper motor 42BHH39-168A-24

hybrid stepperNEMA 17

Product overview
The 42BHH39-168A-24 is a 42 mm (NEMA 17) 2-phase hybrid stepper motor delivering 0.412 N·m (4.2 kg·cm) of holding torque in a 39 mm body. Rated current is 0.8 A/phase. Recommended driver: CW215.

Key highlights

• 2-phase, 1.8° step angle — 0.412 N·m (4.2 kg·cm) holding torque
• 0.8 A/phase rated current — 42 mm (NEMA 17) frame
• 39 mm body length — 5 mm shaft diameter

Electrical specifications

• Model — 42BHH39-168A-24
• Step angle — 1.8° ± 5%
• Holding torque — 0.412 N·m (4.2 kg·cm)
• Rated current — 0.8 A/phase
• Number of phases — 2
• Number of leads — 4
• Shaft diameter — 5 mm
• Frame size — 42 mm (NEMA 17)
• Body length — 39 mm
• Weight — 0.4 kg
• Recommended driver — CW215

Mechanical drawing
Refer to the 42BH Series mechanical drawing (42 mm / NEMA 17) on the product page for mounting dimensions and tolerances.

Torque-speed curve
See the torque-speed curve for the 42BH Series on the product page to evaluate performance across speed ranges.

Applications

• Precision motion control: CNC machines, pick-and-place systems, indexing tables
• Automation: robotics, conveyor positioning, actuators
• Additive manufacturing, laboratory and test equipment

Technical specifications

• Commercial model name — 42BHH39
• Frame size — 42 mm (NEMA 17)
• Body length — 39 mm
• Phase — 2
• Step angle — 1.8° ± 5%
• Holding torque — 0.412 N·m (4.2 kg·cm)
• Rated current — 0.8 A/phase
• Leads — 4
• Shaft diameter — 5 mm
• Weight — 0.4 kg
• Recommended driver — CW215