Hybrid Stepper Motor for 3D Printer (3.5kg)

A NEMA 17 hybrid stepper motor with 3.5 kg·cm holding torque, designed for 3D printers and CNC machines. This 2-phase motor has a 1.8° step angle and a 5 mm diameter drive shaft. Includes a 50 cm cable with an XH 2.54 connector, compatible with Ultimaker and similar control boards.

Key Features

• 3.5 kg·cm Holding Torque – Strong output for 3D printers and CNC machines
• 1.8° Step Angle – 200 steps per revolution for precise positioning
• NEMA 17 Form Factor – 42 × 42 mm face, standard mounting pattern
• 5 mm Drive Shaft – Compatible with standard couplers and pulleys
• XH 2.54 Connector – 50 cm cable included, compatible with common 3D printer boards

Specifications

• Model – 42BYGH1861A-C
• Type – 2-phase hybrid stepper
• Step Angle – 1.8° (±5% accuracy, full step, no load)
• Rated Voltage – 3.4 V
• Current – 1.7 A per phase
• Holding Torque – 3.5 kg·cm (48.6 oz·in)
• Detent Torque – 180 g·cm
• Winding Resistance – 2 Ω ±10% per phase
• Winding Inductance – 2 mH ±20% per phase
• Shaft Diameter – 5 mm
• Temperature Rise – 80°C max (rated current, 2-phase on)
• Ambient Temperature – −20°C to +50°C
• Insulation Class – B
• Life – 6,000 hours
• Cable Length – 50 cm (XH 2.54 connector)
• Dimensions – 42 × 42 × 40 mm
• Weight – 270 g

Ideal For

• 3D printers (typically 4 motors per machine)
• CNC machines (typically 3 motors per machine)
• Robotics and precision motion control

Package Contents

• 1× Stepper Motor (42BYGH1861A-C)
• 1× 500 mm XH 2.54 cable

Resources

• Mechanical Drawing