Inrunner Brushless DC Motor
Our inrunner/inner rotor BLDC motors deliver high efficiency and precision, ideal for demanding applications where space is limited. With advanced heat dissipation and durable construction, we provide superior performance and longevity across various sectors.
All of our inner rotor motors are customizable, including:
- Size and Dimensions
- Shaft Configuration
- Winding Configuration
- Voltage
- Power Output
Component
- Stator: The stator is stationary and contains the windings. It envelops the rotor.
- Rotor: Inside the stator is where the rotor is found.
- Bearings: Support the rotor for smooth rotation.
- Housing: Protects motor components and often features cooling fins.
- Commutation System: Uses ESC and Hall sensors for speed and direction control.
By advantage
Higher RPM
Inrunners typically achieve higher revolutions per minute (RPM), making them suitable for high-speed applications.
Precision Control
Offers better precision control, which is essential for applications requiring exact movements and adjustments.
Compact & Enclosed Design
The internal rotor design is ideal for tight spaces requiring protection from external elements.
Higher Efficiency at High Speeds
Inrunners offer high efficiency at high speeds, ideal for RC cars and industrial uses.
Durable Build
Designed to be more resilient, and capable of enduring harsh environments and demanding conditions.
Better for High-Speed Gear Reduction
Works well with gearboxes to provide high-speed reduction for various mechanical applications.
Stability
The fixed outer casing allows for better stability and mounting options in different setups.
Precision Applications
Ideal for applications requiring high precision, such as robotics and certain aerospace uses.
Better Cooling
The rotor’s location improves heat dissipation, enhancing thermal management and extending motor life.
From 0 to N - Full Motor Solutions
Featured products
| Featured Product | Model | Diameter(mm) | Length(mm) | Volatge | Output Power | Rated Speed |
 | BLDC2838 | 27.7 | 37.6 | 24V | 18W | 8700±10%r/min |
 | BLDC3626 | 35.8 | 26 | 12V | 7.5W | 6000±10%r/min |
 | BLDC4260 | 42.2 | 60 | 12V-24V | 13W-190W | 1300±10%r/min-6000±10%r/min |
 | BLDC4266 | 42.2 | 66 | 12V/24V | 220W/120W | 1300±10%r/min/6500±10%r/min |
 | BLDC5790 | 90 | 102 | DC 24V | 100W | 2500r/min±10% |
 | BLDC TR075-P01 | 36 | 57 | 18V | 4.2W | 8500RPM |
Applications
RC Cars
- High-speed capabilities make them ideal for remote-controlled cars requiring quick acceleration.
High-Speed Model Boats
- Suitable for RC boats where high RPM is essential for performance.
Precision Robotics
- Used in applications requiring exact movements and adjustments, such as robotic joints and grippers.
Medical Pumps
- Powers precision pumps used in medical devices for controlled fluid delivery.
Dental Tools
- Ideal for high-speed dental instruments requiring compact and efficient motors.
Aerospace Components
- Utilized in small aerospace applications where high-speed precision is critical.
Laboratory Equipment
- Powers small, high-speed lab instruments requiring consistent and precise operation.
Electric Turbochargers
- Powers small, high-speed turbochargers for improved performance in automotive applications.
FAQ
What are the key benefits of using inrunner brushless DC motors over outrunner brushless DC motors?
Inrunner brushless DC motors offer higher speeds, better heat dissipation, and more compact designs, making them ideal for applications requiring precise control and high RPMs, such as power tools, RC vehicles, and medical devices.
What cooling methods are commonly used in inrunner brushless DC motors?
Response: Common cooling methods include air cooling with heat sinks, forced air cooling, and liquid cooling systems, all of which help manage heat and maintain optimal operating temperatures.
How do inrunner brushless DC motors handle high torque demands?
While inrunners excel in high-speed applications, they can also handle moderate torque demands by optimizing the winding design and using stronger magnets to increase torque output.
What criteria should be addressed while selecting an inrunner brushless DC motor for a certain application?
Key factors include the required speed (RPM), torque, voltage, power rating, cooling requirements, size constraints, and the specific application's operational environment to ensure optimal performance and longevity.
What is the maximum rotational speed (RPM) that an inrunner brushless DC motor can achieve?
The maximum rotational speed of inrunner brushless DC motors can range from 10,000 RPM to over 50,000 RPM, depending on the specific model and application requirements.
What is the typical efficiency range of inrunner brushless DC motors?
Inrunner brushless DC motors typically have an efficiency range of 85% to 95%, making them highly efficient for various high-speed applications.
What are the common voltage ratings for inrunner brushless DC motors?
Common voltage ratings for inrunner brushless DC motors include 12V, 24V, 36V, and 48V, with some industrial models operating at higher voltages.
How much torque can an inrunner brushless DC motor generate?
The torque output of inrunner brushless DC motors can vary widely, from as low as 0.1 Nm for small models to over 5 Nm for larger industrial versions.
