FA-2230RB Coreless Brushless DC Motor
The FA-2230RB is a medium-size 10W coreless brushless DC motor with 22mm outer diameter and 30mm body length. It adopts oil-impregnated sleeve bearings and built-in 3-channel hall sensor for closed-loop speed feedback. This model provides four winding variants covering 7.4V lithium battery, 12V and 24V industrial power supplies, each with differentiated speed-torque performance curves. Custom planetary gearbox and encoder are optional to build medium-load miniature closed-loop drive systems.
• Dimension: Φ22mm × Length 30mm
• Max Transmission Power: 10W
• Voltage Options: 7.4V(01A) / 12V(02A/03A) / 24V(04A)
• Oil-impregnated sleeve bearings + integrated 3-phase hall sensor
• Standard integrated pin terminal 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 | 01A | 02A | 03A | 04A | |
|---|---|---|---|---|---|
| Nominal voltage | V | 7.4 | 12 | 12 | 24 |
| No load speed | rpm | 16000 | 12000 | 16000 | 16000 |
| No load current | mA | 220 | 130 | 160 | 100 |
| Nominal speed | rpm | 13900 | 10400 | 13900 | 13900 |
| Nominal torque | mNm | 7.33 | 5.08 | 7.35 | 7.33 |
| Nominal current | A | 1.85 | 0.65 | 1.17 | 0.6 |
| Stall torque | mNm | 56.4 | 4.1 | 56.5 | 56.4 |
| Stall current | A | 12.76 | 39.1 | 7.89 | 3.93 |
| Terminal resistance | Ω | 0.58 | 2.93 | 1.52 | 6.1 |
| Torque constant | mNm/A | 4.32 | 9.36 | 7.02 | 14.04 |
| Speed constant | rpm/V | 2162 | 1000 | 1333 | 666 |
| Mechanical time constant | ms | 4.53 | 4.90 | 4.52 | 4.53 |
| Rotor inertia | gcm² | 1.6 | 1.6 | 1.6 | 1.6 |
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 | Sleeve bearings |
| Number of pole pairs | 1 | ||
| Number of phases | 3 |
Engineering Overview
FA-2230RB medium-size coreless brushless DC motor eliminates mechanical brush contact friction, greatly extending continuous service life and effectively lowering electromagnetic interference during operation. The coreless rotor design achieves zero cogging torque and ultra-smooth rotation, with consistent rotor inertia delivering stable dynamic response under variable medium loads. It supports wide multi-voltage specifications including 7.4V lithium battery, 12V and 24V industrial power supply to match portable handheld devices and small automation equipment. Built-in hall sensors provide real-time speed feedback, while matched gearbox amplifies output torque for medium-load micro positioning and drive tasks.
Typical Applications:
• Medium-power handheld beauty and medical instruments
• Mini robot medium-load joint actuators
• Small industrial miniature automated transmission modules
• Battery-powered portable polishing and grinding equipment
Need multi-voltage winding or gearbox matching customization?
FA-2230RB 10W medium-size coreless brushless DC motor offers 7.4V, 12V and 24V multiple performance variants. Our engineering team can optimize coil parameters and match gearbox & encoder according to your load demands and installation space limitations.
