FA-2432RB Coreless Brushless DC Motor
The FA-2432RB is a large-diameter 17W coreless brushless DC motor with 24mm outer diameter and 32mm compact body length. It adopts high-precision ball bearings and built-in 3-channel hall sensor to realize stable closed-loop speed and position feedback. This model provides four winding variants covering 7.4V lithium battery, dual 12V and 24V industrial power supplies, each with differentiated speed-torque performance curves to match diverse load demands. Custom planetary gearbox and incremental/absolute encoder are optional to build high-torque miniature closed-loop drive systems for continuous long-hour operation.
• Dimension: Φ24mm × Length 32mm
• Max Transmission Power: 17W
• Voltage Options: 7.4V(02B) / 12V(04B/06B) / 24V(03B)
• Precision ball bearings + integrated 3-phase hall sensor
• Multi-color split power & signal wire layout; Optional planetary gearbox & encoder
Mechanical Dimensions
Dimensions are in mm. Please refer to the datasheet for tolerances and mounting details.
Performance Parameters
| Motor specifications | 02B | 04B | 06B | 03B | |
|---|---|---|---|---|---|
| Nominal voltage | V | 7.4 | 12 | 12 | 24 |
| No load speed | rpm | 16300 | 12200 | 16300 | 16300 |
| No load current | mA | 300 | 180 | 200 | 160 |
| Nominal speed | rpm | 14700 | 11000 | 14700 | 14700 |
| Nominal torque | mNm | 7.43 | 6.82 | 9.32 | 10.98 |
| Nominal current | A | 1.99 | 0.91 | 1.51 | 0.93 |
| Stall torque | mNm | 78.3 | 71.8 | 98.1 | 115.6 |
| Stall current | A | 18.05 | 7.64 | 13.95 | 8.22 |
| Terminal resistance | Ω | 0.41 | 1.57 | 0.86 | 2.92 |
| Torque constant | mNm/A | 4.24 | 9.2 | 6.89 | 13.78 |
| Speed constant | rpm/V | 2202 | 1016 | 1358 | 679 |
| Mechanical time constant | ms | 6.54 | 5.34 | 5.22 | 4.43 |
| Rotor inertia | gcm² | 3.14 | 3.14 | 3.14 | 3.14 |
Optical Gearbox
| N/A | |
|---|---|
Optional encoder
| N/A | |
|---|---|
Terminal data
| Terminal data | |
|---|---|
| Teminal model : |
Other Specifications
| Other specifications | |||
|---|---|---|---|
| Operating temperature range | -20…+80℃ | Bearing type | Ball bearings |
| Number of pole pairs | 1 | ||
| Number of phases | 3 |
Engineering Overview
FA-2432RB large-diameter coreless brushless DC motor eliminates mechanical brush contact abrasion and iron core cogging torque, realizing ultra-smooth, low-vibration and low-electromagnetic-interference rotation with extended service life. Equipped with double precision ball bearings, it delivers excellent radial load resistance and quiet operation during long-duration continuous work. Larger rotor inertia brings stronger torque output capacity and stable dynamic response under medium & heavy variable loads. It supports wide multi-voltage specifications including 7.4V lithium battery, 12V and 24V industrial power supply to cover portable handheld devices and small automation equipment scenarios. Built-in hall sensors provide real-time speed feedback, while matched gearbox further amplifies output torque for high-torque micro positioning and drive tasks.
Typical Applications:
• Medium & high-torque handheld beauty and portable medical instruments
• Mini robot medium-load joint micro actuators
• Small industrial miniature automated transmission modules
• Battery-powered portable polishing, grinding and engraving equipment
Need multi-voltage high-torque winding or ball bearing motor customization?
FA-2432RB 17W large-diameter coreless brushless DC motor adopts low-noise ball bearing structure, offering 7.4V, 12V and 24V multiple performance variants. Our engineering team can optimize coil parameters and match gearbox & encoder according to your torque demands and limited installation space.