MG Series Planetary Gearbox Gear Ratio 20:1 Backlash 50arc-min for 8mm Shaft Nema 23 Stepper Motor

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In Stock: 10000
Model: MG23-G20-D8
Gross Weight: 0.82kg
Certificated: ISO, CE, REACH

Sold: 320

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The size of this gearbox is 57 x 57mm and the input shaft diameter is 8mm. This high-precision planetary gearbox is belong to MG series gearbox, it with gear ratio 20:1 and a maximum 50arc-min backlash. Diffent with the EG series' steel gears, MG series' gears are made of powder metallurgy. It's an excellent choice for applications that require good accuracy but low cost.
This inline planetary gearbox built-in an input shaft coupling which can match standard 8mm diameter short shaft of Nema 23 stepper motor, brushless dc motor and brushed dc motor.
One of matchable motor is 23HS30-2904S, for other motors, please contact our technical support to custom the motor shaft.

Gearbox Specifications

Part Number: MG23-G20-D8
Gearbox Type: Spur Planetary
Gear Material: Powder Metallurgy
Gear Ratio: 20:1
Efficiency: 80%
Rotor Inertia: 0.03kg·cm²
Backlash at No-load: <=50arcmin
Max.Permissible Torque: 25Nm(221.27lb-in)
Noise: <=55dB(1000rpm)/65dB(3000rpm)
Waterproof Rating: IP54
Lifetime: 20000hours

Physical Specifications

Frame Size: 57 x 57mm
Gearbox Length: 68mm
Output Shaft Type: Key way
Output Shaft Diameter: Φ14mm
Output Shaft Length: 34mm
Input Shaft Diameter: Φ8mm
Input Shaft Length: 8-14mm

This MG series gearboxes are only suitable for short shaft motors with a shaft length of 8-14mm.
If you need standard shaft(21.5-25mm) nema 23 stepper motors, please choose MGL series model: MGL23-G20-D8

Physical Specification
Backlash at No-load	<=30arcmin
Frame Size(mm)	57 x 57
Gear Material	Powder Metallurgy
Gear Ratio(xx:1)	20
Gearbox Length(mm)	55.5
Gearbox Type	Spur Planetary
Input Shaft Diameter(mm)	8
Input Shaft Length(mm)	8 - 14
Inventory Method	Dedicated Inventory
Matching Motor Size	Nema 23 Stepper Motor
Output Shaft Diameter(mm)	14
Output Shaft Length(mm)	34
Output Shaft Type	Keyway
Product Series	MG
Weight(g)	820