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16mm Diameter Micro Brushed Coreless Motor With Planetary Gearbox

This 16mm micro brushed coreless motor with a planetary gearbox supports wide-voltage drives (6V–48V) where you need a compact coaxial reducer with clear ratio-to-length choices and defined torque steps.

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Specs

Key Features

This model emphasizes a coaxial planetary reduction path and a wide voltage window, making it useful when one mechanical platform must cover multiple supply systems and output targets.

  • Planetary gearbox keeps the output coaxial with the motor for clean inline coupling and compact stacking
  • Wide applied voltage range (6V–48V) supports multi-system platforms and different controller architectures
  • Ratio ladder (14–1621) provides both mid-speed reduction and very low-speed high-torque options
  • Gearbox length varies with ratio, enabling packaging decisions by stage count instead of guesswork
  • Rated torque and momentary tolerance torque are both specified to separate continuous load planning from spike-load risk
technical Specs

Motors Specifications

Reduction ratio 14 19.2 29.1 52.7 84.3 157.4 197.7 369.7 741.5 850.3 1621
Gearbox length mm 20 20 20 23.6 23.6 23.6 27.3 27.3 31 27.3 31
No-load speed rpm 710 520 335 180 110 60 50 27 13 11 6
Rated speed rpm 630 460 300 160 100 50 45 24 12 10 5.5
Rated torque Kg.cm 0.28 0.38 0.58 1.05 1.69 3.15 3.95 7.39 14.83 17.01 32.42
Max. momentary tolerance torque Kg.cm 1.6 2.2 3.2 6 10 18 23 42 80 100 120

For additional customization or reference configurations, please feel free to contact us.

Why Choose us

SLW Motor Highlights

  • Coaxial Planetary Output for Straight-Line Mechanisms

    The planetary structure keeps the output aligned with the motor axis, which simplifies coupling to inline drives, small gear trains, and stacked module assemblies.

  • Ratio-to-Length Visibility for Packaging Control

    Gearbox length changes by reduction stage. This table lets you select a ratio while keeping the motor module within a known axial envelope.

  • Wide-Voltage Flexibility for Platform Reuse

    A 6V–48V applied range helps when the same mechanical design must support different supply systems or be reused across multiple product tiers.

  • Separate Continuous vs Spike Torque Planning

    Rated torque supports continuous load sizing, while momentary tolerance torque gives a boundary reference for brief stalls, impacts, or friction spikes.

Custom

Beyond the Standard: Performance Customized

  • 01
    Ratio–Length Envelope Lock-In
    We lock your allowable gearbox length first, then shortlist ratios that fit your packaging window so performance choices do not break the mechanical design.
  • 02
    Output Torque Step Matching
    We map your continuous load requirement to rated torque steps, then verify whether your mechanism needs headroom toward the momentary tolerance boundary.
  • 03
    Voltage-Window Fit for Your Controller Strategy
    We align the motor choice with your supply and control method so startup and low-speed behavior remain stable across your intended voltage range.
  • 04
    Low-Speed Stability Planning for High Ratios
    For very high ratios, we evaluate whether your application needs smooth low-speed travel or holding behavior, then tune ratio selection accordingly.
  • 05
    Coupling Load Direction Review
    We confirm how your coupler or driven part loads the shaft so side loads do not become the dominant wear factor in a compact planetary gearbox.
  • Ratio–Length Envelope Lock-In
  • Output Torque Step Matching
  • Voltage-Window Fit for Your Controller Strategy
  • Low-Speed Stability Planning for High Ratios
  • Coupling Load Direction Review

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FAQ

Frequently Asked Questions

If you share your available space and the driven load type, we can help narrow the most suitable configuration quickly.

How do I choose the best reduction ratio from the table?
Use rated speed to match your target output RPM, then confirm rated torque meets your continuous load requirement and gearbox length fits your space.
Why does gearbox length vary by ratio?
Higher ratios typically add stages, increasing gearbox length. This table shows the resulting length so you can control packaging.
Which torque value should I use for normal operation?
Use rated torque for continuous operation. Use momentary tolerance torque to check brief peaks such as startup friction spikes or short stalls.
Can this motor support different supply systems?
Yes. The applied voltage range supports 6V–48V architectures, but final selection should match your controller and duty profile.
Is a planetary gearbox suitable for inline couplings?
Yes. The output remains coaxial with the motor, which helps straight-line coupling and compact module stacking.
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