Stepper motor 86BYGH1.8

two-phase steppertwo-phase24 V

Product overview
This 1.8° two-phase (bipolar) open-loop stepper motor series 86BYGH1.8 from Shanghai Siheng Motor Manufacturing Co., Ltd. is offered in five models covering motor lengths 60–160 mm. The series provides core electrical and mechanical parameters required for industrial motion-control integration and component selection.

Models

• Five models: 86BYGH260-3004 to 86BYGH2160-4004 (motor lengths: 60, 80, 100, 120, 160 mm)

Electrical & mechanical parameters

• Step angle: 1.8° per step
• Phase: two-phase (bipolar)
• Rated voltage: 3.3–6.9 V
• Rated current: 3–4 A
• Holding torque: 2.8–12 kg·cm
• Weight: 1,700–5,500 g
• Motor length options: 60, 80, 100, 120, 160 mm
• Insulation class: B
• Drive recommendation: constant-current driver (24 V)
• Insulation voltage: 500 V
• Insulation resistance: 100 MΩ

Applications & installation guidance

• Typical applications: industrial automation, robotics, CNC machines and automated equipment
• Select model based on required holding torque and motor length; verify driver current compatibility (3–4 A)
• Use the recommended constant-current driver at 24 V for stable performance
• Refer to installation drawings for shaft, mounting and connector dimensions during integration

Included documentation

• Torque–speed curves for each model to support sizing
• Installation and dimensional drawings (mounting hole patterns, shaft dimensions)
• Product images showing motor and mounting details