34 Stepper Motor – 1.8° Step Angle, 86mm Frame, 350oz_in Torque, 4A Rated Current

Overview:
The 34HB26-4004D is a compact, high-efficiency stepper motor designed for precision motion control in space-constrained industrial applications. With an 86×86×65mm frame and 1.8° step angle, it delivers 350oz-in holding torque at 4A rated current, balancing power output with energy efficiency. Featuring 0.7Ω phase resistance and 3.9mH inductance, the motor ensures stable operation. Its key-way shaft (14mm/12.7mm diameter, 35mm length) and 4-lead wire configuration enable flexible mechanical and electrical integration.

Key Features:
1.8° Step Angle: Enables precise positioning (200 steps/rev).
350oz-in Holding Torque: Suited for light-duty CNC, 3D printers, and automation systems.
4A Rated Current: Optimized for continuous operation with low heat generation.
86mm Frame Size: Ultra-compact 86×86×65mm design for tight installations.
Dual Shaft Diameters: 14mm & 12.7mm with 35mm length (key-way design for secure coupling).
4-Lead Wire Configuration: Simplifies connection to 2-phase drivers.
Electrical Specs: 0.7Ω phase resistance, 3.9mH inductance for stable power conversion.

Applications:
Perfect for desktop CNC routers, 3D printers, laser engravers, automated dispensers, and small robotic arms. Ideal for scenarios requiring precise motion in confined spaces, such as electronics manufacturing, medical devices, or test equipment.

Mechanical Specifications:
Frame Size: 86×86×65mm
Shaft Type: Key-way
Shaft Dimensions:
Diameter: 14mm & 12.7mm
Length: 35mm
Torque: 350oz-in (holding torque)

Electrical Specifications:
Rated Current: 4A per phase
Phase Resistance: 0.7Ω
Inductance: 3.9mH
Step Angle: 1.8° (200 steps/rev)
Wire Configuration: 4-lead (2-phase)

Environmental Specs:
Operating Temperature: 0°C – 50°C
Humidity: 40–90% RH (non-condensing)
Avoid: Dust, oil, moisture, and corrosive gases.