18V 340W Hall Brushless DC Motor 4260 Inner Rotor 37000RPM
18V 340W Hall Brushless DC Motor — 4260 Inner Rotor, 37000RPM, Dual Ball Bearing
Upgrade your DIY builds with this high-speed 18V 340W Hall Sensor Brushless DC Motor. Featuring a compact 4260 inner rotor design, dual ball bearings for smooth operation, and an impressive no-load speed of up to 37,000 RPM at 18V, this motor is an excellent choice for power tools, electric scooters, robotics, RC projects, and other high-performance DIY applications.
Key Features
- Wide Voltage Compatibility: Operates on 12V–18V input, giving you flexibility across a range of power supplies and battery configurations.
- High Output Power: 340W rated power delivers strong, consistent torque for demanding projects.
- Hall Sensor Design: Precise commutation via built-in Hall sensors ensures smooth startup, accurate speed control, and reliable performance.
- Dual Ball Bearings: Front and rear dual ball bearings reduce friction, extend motor lifespan, and maintain shaft alignment under load.
- Compact 4260 Form Factor: 42mm rotor diameter in a space-efficient package, ideal for tight DIY enclosures and custom builds.
- High RPM Performance: Achieves up to 37,000 RPM at 18V (no-load) — suitable for high-speed cutting, grinding, or propulsion applications.
Specifications
| Rated Voltage | 18V (Applicable Range: 12V–18V) |
| Rated Power | 340W |
| Motor Type | Hall Sensor Brushless DC Motor |
| Rotor Diameter | 42mm (4260 Inner Rotor) |
| Bearings | Front & Rear Dual Ball Bearings |
| No-Load Speed @ 18V | 37,000 RPM / 4A no-load current |
| No-Load Speed @ 12V | 24,000 RPM / 3.5A no-load current |
| Net Weight | Approx. 350g |
| Cooling | No built-in cooling fan (external heat dissipation recommended for high-power use) |
| Drive Compatibility | Hall sensor drivers or sensorless RC ESCs (drive board sold separately) |
| Battery Included | No |
| Wireless | No |
Driver Compatibility Note
This motor does not include a built-in drive board. It is compatible with external Hall sensor motor drivers or sensorless RC ESCs. Please ensure you have a compatible driver before use. Drive equipment is sold separately.
What's in the Box
- 1× 18V 340W Hall Brushless DC Motor (4260 Inner Rotor)
Important Notes
- Actual color may vary slightly from images due to screen and lighting differences.
- Please allow 1mm–1cm dimensional variance due to manual measurement.
- For sustained high-power operation, external heat dissipation (heatsink or active cooling) is strongly recommended.
Made in Mainland China.
For more information on electrical motor safety standards, visit OSHA Electrical Safety Guidelines.
Frequently Asked Questions
Q: What voltage range does this Hall brushless DC motor support?
A: This brushless DC motor supports an input voltage range of 12V to 18V. At 12V, it reaches approximately 24,000 RPM (no-load), and at the rated 18V, it achieves up to 37,000 RPM (no-load), making it versatile for a range of DIY power projects.
Q: Does this brushless motor require a separate motor driver or ESC?
A: Yes. This motor does not include a built-in drive board. You will need a compatible Hall sensor motor driver or a sensorless RC ESC to operate it. These are sold separately. Always ensure your driver is rated for the motor's voltage and current requirements.
Q: Does this 4260 brushless motor need external cooling?
A: This motor does not have a built-in cooling fan. For light or intermittent use it operates fine without additional cooling, but for sustained high-power or continuous-duty applications, we recommend attaching an external heatsink or active cooling solution to maintain optimal operating temperature and motor longevity.
Q: What types of DIY projects is this brushless motor best suited for?
A: This 340W, 37,000RPM Hall brushless DC motor is well-suited for DIY power tools (drills, grinders, saws), electric scooters, RC vehicles, robotics platforms, electric bikes, and other maker or hobbyist builds that require compact, high-speed, high-torque electric motor performance in a 12V–18V system.