FA-2249R Coreless Brushed DC Motor
The FA-2249R is a high-power 10W coreless brushed DC motor with Φ22mm outer diameter and 49mm extra-long body. As a top-performance model of the series, it adopts oil-impregnated sleeve bearings and durable precious metal brushes, delivering tremendous torque and outstanding load capacity. It covers an ultra-wide voltage range from 6V to 48V, including the 48V high-voltage version to adapt to industrial high-power supply systems. Optional gearbox and encoder can be installed to realize multi-scenario precision drive control.
• Dimension: Φ22mm × Length 49mm
• Rated Power: 10W
• Voltage Options: 6.0V / 12.0V / 24.0V / 48.0V
• Precious metal brush & oil-impregnated sleeve bearing
• Optional customized gearbox and matched encoder

Mechanical Dimensions

Dimensions are in mm. Please refer to the datasheet for tolerances and mounting details.
Performance Parameters
| Motor specifications | 01A | 03A | 06A | 07A | |
|---|---|---|---|---|---|
| Nominal voltage | V | 6.0 | 12.0 | 24.0 | 48.0 |
| No load speed | rpm | 6000 | 14760 | 10000 | 12400 |
| No load current | mA | 50 | 130 | 30 | 20 |
| Nominal speed | rpm | 4815 | 11808 | 8025 | 9951 |
| Nominal torque | mNm | 20.21 | 39.65 | 29.2 | 41.04 |
| Nominal current | A | 2.16 | 5.21 | 1.3 | 1.13 |
| Stall torque | mNm | 100 | 198 | 147 | 207 |
| Stall current | A | 10.71 | 25.53 | 6.22 | 5.62 |
| Terminal resistance | Ω | 0.56 | 0.47 | 3.72 | 8.54 |
| Torque constant | mNm/A | 9.36 | 3.8 | 22.46 | 36.2 |
| Speed constant | rpm/V | 1000 | 1230 | 416 | 258 |
| Mechanical time constant | ms | 4.7 | 5.9 | 5.4 | 4.6 |
| Rotor inertia | gcm² | 8.03 | 7.86 | 7.96 | 7.68 |
Optical Gearbox
| N/A | |
|---|---|
Optional encoder
| N/A | |
|---|---|
Other Specifications
| Other specifications | |||
|---|---|---|---|
| Operating temperature range | -20…+80℃ | Bearing type | Sleeve bearings |
| Number of pole pairs | 1 | Brush type | Precious metal brushes |
| Number of phases | 5 | Weight of motor | 85.47g |
Engineering Overview
FA-2249R is a flagship 10W high-power model in the 22mm series, featuring an ultra-long body design and ultra-large rotor inertia, which brings superior operational stability and load capacity. The coreless rotor combined with 5-segment commutator and precious metal brushes completely eliminates cogging torque, ensuring smooth, low-noise and low-vibration operation even under extreme heavy loads. This motor pioneers a 48V high-voltage specification on the basis of conventional 6V/12V/24V, covering ultra-wide voltage ranges to meet the power supply demands of high-power industrial equipment. All versions feature short mechanical time constant, delivering extremely fast start-stop and dynamic response. With industry-leading stall torque, it can cope with sudden load changes. Matched gearboxes and encoders are available to upgrade torque and realize closed-loop precision control, which is the preferred power core for high-power and heavy-duty industrial miniature equipment.
Typical Applications:
• 48V industrial high-power miniature actuators
• Heavy-duty large-flow micro fluid equipment
• Automated high-torque transmission systems
• Industrial professional high-load precision drive devices
