EG Series Planetary Gearbox Gear Ratio 50:1 Backlash 20arc-min for Nema 17 Stepper Motor

The size of this gearbox is 42 x 42mm and the input shaft diameter is 5mm. This high-precision planetary gearbox is belong to EG series gearbox, it with gear ratio 50:1 and a maximum 20arc-min backlash. It's an excellent choice for applications that require good accuracy and reliability at an exceptional value. This inline planetary gearbox built-in an input shaft coupling which can match any standard Nema 17 stepper motor and brushless dc motor.

Gearbox Specifications

• Part Number: EG17-G50
• Gearbox Type: Spur Planetary
• Gear Material: Alloy Steel
• Gear Ratio: 50:1
• Efficiency: 94%
• Rotor Inertia: 0.03kg·cm²
• Backlash at No-load: <=20arcmin
• Max.Permissible Torque: 10Nm(88.51lb-in)
• Moment Permissible Torque: 20Nm(177.01lb-in)
• Noise: <=65dB
• Waterproof Rating: IP54
• Lifetime: 20000hours

Physical Specifications

• Frame Size: 42 x 42mm
• Gearbox Length: 66mm
• Output Shaft Type: Key way
• Output Shaft Diameter: Φ8mm
• Output Shaft Length: 21.5mm
• Input Shaft Diameter: Φ5mm
• Input Shaft Length: 21.5-25mm