EG Series Planetary Gearbox Gear Ratio 20:1 Backlash 20arc-min for 12.7mm Shaft Nema 34 Stepper Motor

The size of this gearbox is 90 x 90mm and the input shaft diameter is 12.7mm. This high-precision planetary gearbox is belong to EG series gearbox, it with gear ratio 20:1 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 34 stepper motor and brushless dc motor.

Gearbox Specifications

• Part Number: EG34-G20-D13
• Gearbox Type: Spur Planetary
• Gear Material: Alloy Steel
• Gear Ratio: 20:1
• Efficiency: 94%
• Rotor Inertia: 0.44kg·cm²
• Backlash at No-load: <=20arcmin
• Max.Permissible Torque: 90Nm(796.57lb-in)
• Moment Permissible Torque: 180Nm(1593.13lb-in)
• Noise: <=55dB(1000rpm)/65dB(3000rpm)
• Waterproof Rating: IP54
• Lifetime: 20000hours

Physical Specifications

• Frame Size: 90 x 90mm
• Gearbox Length: 132mm
• Output Shaft Type: Key way
• Output Shaft Diameter: Φ20mm
• Output Shaft Length: 40mm
• Input Shaft Diameter: Φ19mm(By default, we offer a free shaft sleeve with 12.7mm diameter)
• Input Shaft Length: 22-41mm