The BO2826N2B family comprises 28mm sensorless BLDC outer rotor motors optimized for high-efficiency, compact operation. Featuring flexible options such as shaft length, special coils, gear heads, and encoder or hall-sensor integration, these motors deliver reliable performance in UAVs, electrical tools, automation equipment, and smart home devices. Suitable for demanding motion control and precision automation tasks.
| Parameter | Unit | BO2826N2B01-104-12.0 | BO2826N2B02-104-24.0 | BO2826N2B03-104-36.0 |
|---|---|---|---|---|
| Rated voltage | V | 12.0 | 24.0 | 36.0 |
| Max. output power | W | 247 | 248 | 254 |
| Max. efficiency | % | 86.0 | 85.7 | 86.2 |
| Back-EMF constant | mV/rpm | 1.1 | 2.3 | 3.4 |
| Torque constant | mNm/A | 10.9 | 22.0 | 32.8 |
| KV Value | rpm/V | 871 | 433 | 290 |
| Speed/torque gradient | rpm/mNm | 11.6 | 11.4 | 11.2 |
| Rotor inertia | gcm² | 31 | 31 | 31 |
| Weight | g | 53 | 53 | 53 |
| Thermal resistance housing-ambient | K/W | 1.7 | 1.7 | 1.7 |
| Thermal resistance winding-housing | K/W | 1.8 | 1.8 | 1.8 |
| Terminal resistance | Ω | 0.14 | 0.58 | 1.26 |
| Thermal time constant motor | s | 300 | 300 | 300 |
| Thermal time constant winding | s | 43 | 43 | 43 |
| Operating temperature | °C | -40~+120 | -40~+120 | -40~+120 |
| Thermal class of winding | °C | 180 | 180 | 180 |
| Axial play | mm | 0.014 | 0.014 | 0.014 |
| Radial play | mm | 0.008 | 0.008 | 0.008 |
| Axial load dynamic | N | 5 | 5 | 5 |
| Axial load static | N | 80 | 80 | 80 |
| Radial load at 3 mm from mounting face | N | 29 | 29 | 29 |
| No. of pole pairs | 7 | 7 | 7 | |
| No-load speed | rpm | 10400 | 10400 | 10400 |
| Bearings | 2 ball bearings | 2 ball bearings | 2 ball bearings | |
| Commutation | Sensorless | Sensorless | Sensorless | |
| Protection class | IP | 20 | 20 | 20 |
| Outer diameter | mm | 27.6 +/- 0.2 | 27.6 +/- 0.2 | 27.6 +/- 0.2 |
| Motor length | mm | 25.8 +/- 0.2 | 25.8 +/- 0.2 | 25.8 +/- 0.2 |
| No-load current | A | 0.44 | 0.23 | 0.15 |
| Stall torque | mNm | 930 | 912 | 931 |
| Stall current | A | 83.3 | 41.7 | 28.6 |
| Nominal torque | mNm | 86.7 | 89.5 | 89.6 |
| Nominal speed | rpm | 7820 | 8040 | 8500 |
| Nominal current | A | 8.1 | 4.1 | 2.7 |
Technical specifications are for guidance only, as the individual drives and motors are configured for specific applications. Subject to technical and visual changes.
| Parameter | Unit | BO2826N2B01-104-12.0 |
|---|---|---|
| Rated voltage | V | 12.0 |
| Max. output power | W | 247 |
| Max. efficiency | % | 86.0 |
| Back-EMF constant | mV/rpm | 1.1 |
| Torque constant | mNm/A | 10.9 |
| KV Value | rpm/V | 871 |
| Speed/torque gradient | rpm/mNm | 11.6 |
| Rotor inertia | gcm² | 31 |
| Weight | g | 53 |
| Thermal resistance housing-ambient | K/W | 1.7 |
| Thermal resistance winding-housing | K/W | 1.8 |
| Terminal resistance | Ω | 0.14 |
| Thermal time constant motor | s | 300 |
| Thermal time constant winding | s | 43 |
| Operating temperature | °C | -40~+120 |
| Thermal class of winding | °C | 180 |
| Axial play | mm | 0.014 |
| Radial play | mm | 0.008 |
| Axial load dynamic | N | 5 |
| Axial load static | N | 80 |
| Radial load at 3 mm from mounting face | N | 29 |
| No. of pole pairs | 7 | |
| No-load speed | rpm | 10400 |
| Bearings | 2 ball bearings | |
| Commutation | Sensorless | |
| Protection class | IP | 20 |
| Outer diameter | mm | 27.6 +/- 0.2 |
| Motor length | mm | 25.8 +/- 0.2 |
| No-load current | A | 0.44 |
| Stall torque | mNm | 930 |
| Stall current | A | 83.3 |
| Nominal torque | mNm | 86.7 |
| Nominal speed | rpm | 7820 |
| Nominal current | A | 8.1 |
Technical specifications are for guidance only, as the individual drives and motors are configured for specific applications. Subject to technical and visual changes.
| Parameter | Unit | BO2826N2B02-104-24.0 |
|---|---|---|
| Rated voltage | V | 24.0 |
| Max. output power | W | 248 |
| Max. efficiency | % | 85.7 |
| Back-EMF constant | mV/rpm | 2.3 |
| Torque constant | mNm/A | 22.0 |
| KV Value | rpm/V | 433 |
| Speed/torque gradient | rpm/mNm | 11.4 |
| Rotor inertia | gcm² | 31 |
| Weight | g | 53 |
| Thermal resistance housing-ambient | K/W | 1.7 |
| Thermal resistance winding-housing | K/W | 1.8 |
| Terminal resistance | Ω | 0.58 |
| Thermal time constant motor | s | 300 |
| Thermal time constant winding | s | 43 |
| Operating temperature | °C | -40~+120 |
| Thermal class of winding | °C | 180 |
| Axial play | mm | 0.014 |
| Radial play | mm | 0.008 |
| Axial load dynamic | N | 5 |
| Axial load static | N | 80 |
| Radial load at 3 mm from mounting face | N | 29 |
| No. of pole pairs | 7 | |
| No-load speed | rpm | 10400 |
| Bearings | 2 ball bearings | |
| Commutation | Sensorless | |
| Protection class | IP | 20 |
| Outer diameter | mm | 27.6 +/- 0.2 |
| Motor length | mm | 25.8 +/- 0.2 |
| No-load current | A | 0.23 |
| Stall torque | mNm | 912 |
| Stall current | A | 41.7 |
| Nominal torque | mNm | 89.5 |
| Nominal speed | rpm | 8040 |
| Nominal current | A | 4.1 |
Technical specifications are for guidance only, as the individual drives and motors are configured for specific applications. Subject to technical and visual changes.
| Parameter | Unit | BO2826N2B03-104-36.0 |
|---|---|---|
| Rated voltage | V | 36.0 |
| Max. output power | W | 254 |
| Max. efficiency | % | 86.2 |
| Back-EMF constant | mV/rpm | 3.4 |
| Torque constant | mNm/A | 32.8 |
| KV Value | rpm/V | 290 |
| Speed/torque gradient | rpm/mNm | 11.2 |
| Rotor inertia | gcm² | 31 |
| Weight | g | 53 |
| Thermal resistance housing-ambient | K/W | 1.7 |
| Thermal resistance winding-housing | K/W | 1.8 |
| Terminal resistance | Ω | 1.26 |
| Thermal time constant motor | s | 300 |
| Thermal time constant winding | s | 43 |
| Operating temperature | °C | -40~+120 |
| Thermal class of winding | °C | 180 |
| Axial play | mm | 0.014 |
| Radial play | mm | 0.008 |
| Axial load dynamic | N | 5 |
| Axial load static | N | 80 |
| Radial load at 3 mm from mounting face | N | 29 |
| No. of pole pairs | 7 | |
| No-load speed | rpm | 10400 |
| Bearings | 2 ball bearings | |
| Commutation | Sensorless | |
| Protection class | IP | 20 |
| Outer diameter | mm | 27.6 +/- 0.2 |
| Motor length | mm | 25.8 +/- 0.2 |
| No-load current | A | 0.15 |
| Stall torque | mNm | 931 |
| Stall current | A | 28.6 |
| Nominal torque | mNm | 89.6 |
| Nominal speed | rpm | 8500 |
| Nominal current | A | 2.7 |
Technical specifications are for guidance only, as the individual drives and motors are configured for specific applications. Subject to technical and visual changes.
