The BO8724N2B series features a robust 87mm BLDC outer rotor design with sensorless operation for high-efficiency control. Ideal for UAVs, power tools, automation equipment, and smart home devices, this family supports various shaft lengths, custom coils, gear heads, and feedback options. Compatible with advanced drive electronics, the series offers exceptional flexibility and reliability for demanding motion control applications.
| Parameter | Unit | BO8724N2B01-36-48.0 | BO8724N2B02-36-36.0 | BO8724N2B03-36-24.0 |
|---|---|---|---|---|
| Voltage | V | 48.0 | 36.0 | 24.0 |
| Terminal resistance | Ω | 0.3 | 0.17 | 0.08 |
| No-load speed | rpm | 3600 | 3600 | 3600 |
| No-load current | A | 0.5 | 0.7 | 1.1 |
| Stall torque | mNm | 20000 | 20000 | 20000 |
| Stall current | A | 159.5 | 211.8 | 315.8 |
| Nominal torque | mNm | 1210 | 1210 | 1210 |
| Nominal speed | rpm | 3200 | 3200 | 3200 |
| Nominal current | A | 9.8 | 13 | 19.5 |
| Max. output power | W | 1890 | 1890 | 1890 |
| Max. efficiency | % | 88.5 | 88.5 | 88.5 |
| Back-EMF constant | mV/rpm | 13.3 | 10 | 6.64 |
| Torque constant | mNm/A | 126.9 | 95.2 | 64.3 |
| KV Value | rpm/V | 75 | 100 | 150 |
| Speed/torque gradient | rpm/mNm | 0.18 | 0.18 | 0.18 |
| Rotor inertia | gcm² | 510 | 510 | 510 |
| Weight | g | 270 | 270 | 270 |
| Thermal resistance housing-ambient | K/W | 1.18 | 1.18 | 1.18 |
| Thermal resistance winding-housing | K/W | 0.51 | 0.51 | 0.51 |
| Thermal time constant motor | s | 600 | 600 | 600 |
| Thermal time constant winding | s | 50 | 50 | 50 |
| Operating temperature range | °C | -40~+100 | -40~+100 | -40~+100 |
| Thermal class of winding | °C | 155 | 155 | 155 |
| Axial play | mm | 0.012 | 0.012 | 0.012 |
| Radial play | mm | 0.008 | 0.008 | 0.008 |
| Axial load dynamic | N | 10 | 10 | 10 |
| Axial load static | N | 140 | 140 | 140 |
| Radial load at 3 mm from mounting face | N | 145 | 145 | 145 |
| No. of pole pairs | 21 | 21 | 21 | |
| Bearings | 2 ball bearings | 2 ball bearings | 2 ball bearings | |
| Protection class | IP | 20 | 20 | 20 |
| Commutation | Sensorless | Sensorless | Sensorless |
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 | BO8724N2B01-36-48.0 |
|---|---|---|
| Voltage | V | 48.0 |
| Terminal resistance | Ω | 0.3 |
| No-load speed | rpm | 3600 |
| No-load current | A | 0.5 |
| Stall torque | mNm | 20000 |
| Stall current | A | 159.5 |
| Nominal torque | mNm | 1210 |
| Nominal speed | rpm | 3200 |
| Nominal current | A | 9.8 |
| Max. output power | W | 1890 |
| Max. efficiency | % | 88.5 |
| Back-EMF constant | mV/rpm | 13.3 |
| Torque constant | mNm/A | 126.9 |
| KV Value | rpm/V | 75 |
| Speed/torque gradient | rpm/mNm | 0.18 |
| Rotor inertia | gcm² | 510 |
| Weight | g | 270 |
| Thermal resistance housing-ambient | K/W | 1.18 |
| Thermal resistance winding-housing | K/W | 0.51 |
| Thermal time constant motor | s | 600 |
| Thermal time constant winding | s | 50 |
| Operating temperature range | °C | -40~+100 |
| Thermal class of winding | °C | 155 |
| Axial play | mm | 0.012 |
| Radial play | mm | 0.008 |
| Axial load dynamic | N | 10 |
| Axial load static | N | 140 |
| Radial load at 3 mm from mounting face | N | 145 |
| No. of pole pairs | 21 | |
| Bearings | 2 ball bearings | |
| Protection class | IP | 20 |
| Commutation | Sensorless |
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 | BO8724N2B02-36-36.0 |
|---|---|---|
| Voltage | V | 36.0 |
| Terminal resistance | Ω | 0.17 |
| No-load speed | rpm | 3600 |
| No-load current | A | 0.7 |
| Stall torque | mNm | 20000 |
| Stall current | A | 211.8 |
| Nominal torque | mNm | 1210 |
| Nominal speed | rpm | 3200 |
| Nominal current | A | 13 |
| Max. output power | W | 1890 |
| Max. efficiency | % | 88.5 |
| Back-EMF constant | mV/rpm | 10 |
| Torque constant | mNm/A | 95.2 |
| KV Value | rpm/V | 100 |
| Speed/torque gradient | rpm/mNm | 0.18 |
| Rotor inertia | gcm² | 510 |
| Weight | g | 270 |
| Thermal resistance housing-ambient | K/W | 1.18 |
| Thermal resistance winding-housing | K/W | 0.51 |
| Thermal time constant motor | s | 600 |
| Thermal time constant winding | s | 50 |
| Operating temperature range | °C | -40~+100 |
| Thermal class of winding | °C | 155 |
| Axial play | mm | 0.012 |
| Radial play | mm | 0.008 |
| Axial load dynamic | N | 10 |
| Axial load static | N | 140 |
| Radial load at 3 mm from mounting face | N | 145 |
| No. of pole pairs | 21 | |
| Bearings | 2 ball bearings | |
| Protection class | IP | 20 |
| Commutation | Sensorless |
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 | BO8724N2B03-36-24.0 |
|---|---|---|
| Voltage | V | 24.0 |
| Terminal resistance | Ω | 0.08 |
| No-load speed | rpm | 3600 |
| No-load current | A | 1.1 |
| Stall torque | mNm | 20000 |
| Stall current | A | 315.8 |
| Nominal torque | mNm | 1210 |
| Nominal speed | rpm | 3200 |
| Nominal current | A | 19.5 |
| Max. output power | W | 1890 |
| Max. efficiency | % | 88.5 |
| Back-EMF constant | mV/rpm | 6.64 |
| Torque constant | mNm/A | 64.3 |
| KV Value | rpm/V | 150 |
| Speed/torque gradient | rpm/mNm | 0.18 |
| Rotor inertia | gcm² | 510 |
| Weight | g | 270 |
| Thermal resistance housing-ambient | K/W | 1.18 |
| Thermal resistance winding-housing | K/W | 0.51 |
| Thermal time constant motor | s | 600 |
| Thermal time constant winding | s | 50 |
| Operating temperature range | °C | -40~+100 |
| Thermal class of winding | °C | 155 |
| Axial play | mm | 0.012 |
| Radial play | mm | 0.008 |
| Axial load dynamic | N | 10 |
| Axial load static | N | 140 |
| Radial load at 3 mm from mounting face | N | 145 |
| No. of pole pairs | 21 | |
| Bearings | 2 ball bearings | |
| Protection class | IP | 20 |
| Commutation | Sensorless |
Technical specifications are for guidance only, as the individual drives and motors are configured for specific applications. Subject to technical and visual changes.
