NEMA 17 Servo Gearbox Multiple Reduction Ratio Planetary Precision Gearbox for Servo Motor

item ID#: LRF42-4
Item condition: New and Original
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Weight: 3.2 Kg(s)
23 available/ 7 sold
Start from: 1 Unit(s)
Manufactured by: Made in China
Wholesale Price: 79.00

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NEMA 17 Servo Gear Box Multiple Reduction Ratio Planetary Precision Gearboxes for Servo Motor


Product Description

1.This type of planetary reducer is mainly used in CNC servo motors.

2.This planetary reducer is more accurate than the speed reducer used for stepper.

3.The structure is relatively compact, the return gap is small, high precision, long service life


LRF40 series  Planetary  gearbox  technical parameters

Product Model Ratio Input Flange Input Shaft(mm)  Output Bore (mm) ARCMIN Application
LRF42-4 4:1 NEMA17 10mm 8mm <7ARCMIN for NEMA24 
Servo Motor
LRF42-5 5:1 NEMA17 10mm 8mm <7ARCMIN
LRF42-8 8:1 NEMA17 10mm 8mm <13ARCMIN
LRF42-16 16:1 NEMA17 10mm 8mm <13ARCMIN
LRF42-20 20:1 NEMA17 10mm 8mm <13ARCMIN
LRF42-25 25:1 NEMA17 10mm 8mm <13ARCMIN
LRF42-40 40:1 NEMA17 10mm 8mm <13ARCMIN
LRF42-64 64:1 NEMA17 10mm 8mm <20ARCMIN
LRF42-80 80:1 NEMA17 10mm 8mm <20ARCMIN
PLF42-100 100:1 NEMA17 10mm 8mm <20ARCMIN


Reducer standard size


Application area: 

Precision machine tools, military equipment, semiconductor equipment, printing and packaging equipment, solar energy, industrial robots, medical equipment, precision test equipment and other high-precision applications.

Planetary Gearboxes selection for servo motor

1.Reduction ratio(According to the motor speed and the final need to output the ratio of speed)

2.Rated load torque(The final output torque should not be greater than the rated torque of the gear unit)

3.Accuracy(According to the user needs to select the appropriate precision requirements)

4.Installation fit size(Motor and reducer between the installation and so on according to product drawings to determine)


1. Usually we will ship the items within 3 working days after the payment is reached.
2. DHL, UPS, Fedex, or EMS is available for shipping.
3. Delivery time:DHL, UPS, Fedex, EMS express shipping usually take 3-10 working days depends on the country delivered to.
4. Please check out your ADDRESS carefully when processing order.
5. Buyers please note: Accessories tariffs must be buyers to pay.The buyer can choose EMS express to avoid tariffs.
6. Any accidents, delays or other issues are the responsibility of the shipping service.

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Return Policy:

    We accept 14 days return policy. If you want to return the item, please contact us in 14 days first and make sure the package is un-opened. The buyer has to pay for the go and back delivery cost and the custom fee of each country. Once we received the product and checked, we will make refund for the part in 24 hours.
    Any quality problem in normal use during the warranty period, we will repair for free. The buyer should pay the return cost and our company will pay the re-shipping cost.


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