Nema 17 Stepper Motor Bipolar L=48mm w/ Gear Ratio 20:1 MG Series Planetary Gearbox

This Nema 17 stepper motor delivers a holding torque of 0.52Nm(73.64oz.in) and features our high-precision MG series gearbox with a 20:1 gear ratio. Unlike the EG series' steel gears, the MG series utilizes durable powder metallurgy gears, offering an optimal balance of precision and cost-effectiveness for your applications.
The integrated shaft coupling design allows for easy motor or gearbox replacement, providing flexibility for your projects.

Electrical Specification

• Part Number: 17HS19-1684S-MG20
• Motor Type: Bipolar Stepper
• Holding Torque without Gearbox: 0.52Nm(73.64oz.in)
• Rated Current/phase: 1.68A
• Phase Resistance: 1.80ohms±10%
• Inductance: 3.20mH±20%(1KHz)
• Insulation Class: B 130°C[266°F]

Gearbox Specifications

• Gearbox Type: Spur Planetary
• Gear Material: Powder Metallurgy
• Gear Ratio: 20:1
• Efficiency: 80%
• Backlash at No-load: <=45arcmin
• Maximum Permissible Torque: 10.00Nm(1416.12oz.in)
• Moment Permissible Torque: 20.00Nm(2832.23oz.in)

Physical Specification

• Frame Size: 42 x 42mm
• Motor Length: 48mm
• Gearbox Length: 51mm
• Output Shaft Type: Keyway
• Output Shaft Diameter: Φ8mm
• Output Shaft Length: 21.5mm

Connection