2418 Brushless DC Motor 3-Phase No Hall 20000RPM 20W DIY Fan

2418 3-Phase Brushless DC Motor — High-Speed 20000RPM Mini Motor for DIY Projects

Take your DIY builds to the next level with this compact yet powerhouse 2418 3-Phase Brushless DC Motor. Engineered for makers, hobbyists, and electronics enthusiasts, this sensorless (no-hall) brushless motor spins at an impressive 20,000 RPM on just 5V–6V DC, making it ideal for model fans, drones, RC projects, robotic assemblies, and other creative builds where space is limited but performance matters.

Equipped with dual ball bearings, this motor delivers smooth, stable, and long-lasting operation — a major advantage over sleeve-bearing motors in high-speed and continuous-duty applications. The 3-phase design ensures efficient power conversion and consistent torque at top speed, while the compact 19×24mm body fits neatly into tight enclosures and custom frames.

Key Specifications

• Motor Model: 2418
• Working Voltage: DC 5V – 6V
• No-Load Speed: ~20,000 RPM
• Output Power: ~20W
• Phase: 3-Phase (No Hall Sensor)
• Axle Diameter: 2mm
• Axle Length: 8mm
• Installation Hole: M2.5
• Dimensions: 19 × 24mm
• Bearing Type: Dual Ball Bearing
• Battery Included: No
• Wireless: No

Why Choose a Brushless Motor?

Brushless DC motors outperform traditional brushed motors in virtually every measurable way — higher efficiency, longer service life, lower electromagnetic interference, and greater speed control accuracy. The sensorless (no-hall) design simplifies the motor's internal construction, reducing potential failure points while keeping the unit ultra-compact and lightweight. A compatible ESC (Electronic Speed Controller) is required for operation. Learn more about motor efficiency and energy performance from the U.S. Department of Energy.

Perfect For

• DIY model fans and cooling systems
• Micro drones and quadcopters
• RC cars, boats, and planes
• Robotics and automation prototypes
• Custom electronics and maker projects
• 3D printer upgrades and CNC builds

What's in the Box

• 1× 2418 3-Phase Brushless DC Motor (No Hall)

Made in Mainland China.

Note: Due to lighting and screen variations, the item's color may appear slightly different from product images. Please allow 1mm–10mm dimensional tolerance due to manual measurement.

Frequently Asked Questions

Q: Does this brushless DC motor include a hall sensor?

A: No, this is a sensorless (no-hall) 3-phase brushless DC motor. It requires a compatible sensorless ESC (Electronic Speed Controller) to operate — a hall-sensor-based controller will not work with this unit.

Q: What voltage range does the 2418 brushless motor support?

A: This motor operates on a DC voltage range of 5V to 6V, making it well-suited for low-voltage DIY builds, model fans, and small RC applications powered by standard LiPo or regulated power supplies.

Q: What propeller or load size is recommended for this motor?

A: Given the 2mm axle diameter and 20W output power at ~20,000RPM, this motor pairs well with small-diameter propellers or fan blades in the 40mm–65mm range. Always match the load to your specific application and ensure your ESC rating is appropriate.

Q: Is the dual ball bearing design better than a sleeve bearing motor?

A: Yes. Dual ball bearings provide lower friction, reduced vibration, higher speed stability, and significantly longer service life compared to sleeve bearings — especially under continuous high-speed operation, making them the preferred choice for demanding DIY and RC applications.