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12mm Planetary gearbox

Series: P121
Rated Torque: 0.8-2.0Kg.cm
Output Shaft: D-shaft, Round shaft, H-shaft
Bearing: Oil bearing or ball bearing
Suitable Motor: Brushed DC Motor
Reduction Ratio: 1:4-1:4096
Environment Temperature: -15℃ ~ 70℃
Application: Vending Machine, ATM, Industrial Machine Tool, Precision Instruments
Availability:
Quantity:
  • P121

Durable 12mm Planetary Gearbox for Medical & Smart Devices

This Planetary Gearbox by I.CH Motion features compact metal structure, low backlash, high torque and stable transmission. With wide reduction ratios, it suits smart locks, robots, medical devices, IoT and precision micro‑automation, ideal for space‑limited motion control systems.

Gearbox Description 

Housing 
material
Bearing 
at output
Radial load 
(5mm from flange)
Shaft 
axial load
Shaft press fit 
force,max.
Radial play 
of shaft
Thrust play 
of shaft
Backlash
 at no-load
MetalSleeve bearings≤0.5Kgf≤0.5Kgf≤1.5Kgf≤0.05mm≤0.2mm≤3°



Motor Shaft Pinion Specification

ModuleNo. of teethPressure angleHole diameterReduction ratio.
0.251220°1.49


Gearbox Specification
Reduction 
ratio
Rated  tolerance
torque(Kg.cm Max.)
Max momentary 
tolerance torque(Kg.cm )
EfficiencyLength
(L-mm)
Weight(g)
Sleeve  bearings
1/40.82.485%12.812.1
1/161.23.675%16.114.2
1/641.64.865%19.416.3
1/2561.85.455%22.718.4
1/10242645%2620.5
1/40962640%29.322.6


                                                                Mechanical Dimensions
12mm Planetary gearbox technical drawing


Full Datasheet

D123.doc

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