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SL016CH056 Series
Slotless BLDC Motor

  • 0.630 in Frame Size
  • 1.82 A Rated Current
  • 1.8551 oz-in Rated Torque
  • 48 VDC Nominal Voltage
  • 2.200 in Length
Features and Benefits:
  • Extremely quick response and high acceleration
  • Quiet Operation
  • High power density
  • Wide speed range (up to 60,000 rpm)

Unit Price:



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Motor Specifications

Frame Size0.630 in
Weight0.161 lbs

Motor Values (At Nominal Speed)

Nominal Voltage48 VDC
No Load Speed 44800 RPM
No Load Current530 mA
Rated Torque1.8551 oz-in
Rated Current1.82 A

Motor Characteristics

Speed/Torque Gradient 20.5337 RPM/oz-in

Motor Mechanical Data

Max Speed (Mechanical)60000 RPM


ModelDIM. A (length) in
SL016CH056-032.200 in

Performance Curve

Features and Benefits

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A typical brushless BLDC motor is constructed using a stator with “slots”; a copper wire is then wound around these slots. Although this technology works well, it has an inherent problem with cogging (or drag torque), which presents a challenge in applications needing fast response, fast acceleration and smooth operation.


To combat these issues, we’ve removed the slots from the motor. Instead of slots, we’re using a unique process of winding the copper wire without the need of them. This drastically reduces cogging and improves the motor’s ability to respond, accelerate quickly, and operate smoothly. Slotless BLDC motors are also quieter and provide more power with a smaller frame size than their slotted counterparts.

Reliable long life expectancy

Our motors are built to withstand at least 20,000 hours of continuous (24/7) operation. This means that you can feel confident that even your most sensitive application will operate reliably for a very long time.


Nearly silent operation

Detent torque is the biggest culprit of generated noise. Removing the slots and thus eliminating the detent torque drastically reduces the noise output of the motor.


Modular design for better customization

The modular design lets us combine the motor with a gearhead to match your specific speed and torque requirements. Also, our slotless BLDC motors are available in many windings so we can satisfy your requirements precisely. You can also customize the motor with sensors such as an optical encoder or hall sensor to provide accurate positioning control, velocity, and direction feedback.


Cost effective

Our unique manufacturing process lets us create motors that are built to your exact specifications, while remaining highly cost effective. Get exactly what you need without breaking your budget.

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Slotless BLDC Motor Applications


  • Robotic grippers and claws
  • Medical and surgical tools
  • Miniature pumps and ventilators
  • Testing and measuring equipment
  • Semiconductor handling equipment
  • Robotics
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Slotless BLDC Motor Construction

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SL016CH056-03 Configured Datasheet (PDF)
SL016CH056 3D Model (STEP)

Get the motor you need

Just fill out a Request for a Quote form, and tell us about your application and your needs. One of our applications specialists will review your request, and provide you with a quote promptly.