Four-phase stepper motor 86BHH94-481A-26D

hybrid stepperNEMA 34

Product Overview
The 86BHH94 is a NEMA 34 4-phase hybrid stepper motor with a 94 mm body delivering 4.12 N·m (42 kg·cm) holding torque at 3.5 A. The 4-phase, 6-lead configuration provides smooth torque delivery and precise positioning, suitable for CNC machines, industrial automation and robotics applications.

Key Highlights

• Holding torque: 4.12 N·m (42 kg·cm)
• 4-phase, 6-lead design for improved microstepping performance
• 86 mm (NEMA 34) frame with 94 mm body length
• Shaft diameter: 12.7 mm
• Recommended driver: CWD860H

Electrical Specifications (table)
Parameter | Value
Step Angle | 1.8° ± 5%
Holding Torque | 4.12 N·m (42 kg·cm)
Rated Current | 3.5 A/Phase
No. of Phases | 4
No. of Leads | 6
Shaft Diameter | 12.7 mm
Frame Size | 86 mm (NEMA 34)
Body Length | 94 mm
Weight | 2.8 kg
Recommended Driver | CWD860H

Mechanical Drawing
Mechanical drawing and torque-speed curve images are provided for the 86BH / 86BHH series to assist integration and mounting design.

Features / technical specifications

• Model: 86BHH94
• Frame Size: 86 mm (NEMA 34)
• Body Length: 94 mm
• Step Angle: 1.8° ± 5%
• Holding Torque: 4.12 N·m (42 kg·cm)
• Rated Current: 3.5 A/Phase
• No. of Phases: 4
• No. of Leads: 6
• Shaft Diameter: 12.7 mm
• Weight: 2.8 kg
• Recommended Driver: CWD860H
• Typical Applications: CNC machines, industrial automation, robotics