The BO4416N2B series features compact 44mm sensorless BLDC outer rotor motors designed for precise, efficient motion control in demanding applications. Engineered for UAVs, power tools, automation systems, and smart home devices, this family combines silent operation with high torque density. Configurable options include shaft lengths, gearheads, special coils, sensor integration, and advanced feedback solutions for optimal customization and easy integration.
| Parameter | Unit | BO4416N2B02-34-12.0 | BO4416N2B03-34-18.0 | BO4416N2B04-24-24.0 |
|---|---|---|---|---|
| Voltage | V | 12.0 | 18.0 | 24.0 |
| Terminal resistance | Ω | 0.37 | 0.75 | 3.00 |
| No-load speed | rpm | 3450 | 3450 | 2360 |
| No-load current | A | 0.30 | 0.17 | 0.09 |
| Stall torque | mNm | 1057 | 1178 | 759 |
| Stall current | A | 32.0 | 24.0 | 8.0 |
| Nominal torque | mNm | 95 | 150 | 80 |
| Nominal speed | rpm | 3100 | 2800 | 2060 |
| Nominal current | A | 3.2 | 2.4 | 0.7 |
| Max. output power | W | 95 | 106 | 46 |
| Max. efficiency | % | 81 | 83 | 79 |
| Back-EMF constant | mV/rpm | 3.4 | 5.2 | 10.0 |
| Torque constant | mNm/A | 33 | 49.5 | 96 |
| KV Value | rpm/V | 290 | 190 | 98 |
| Speed/torque gradient | rpm/mNm | 3.3 | 2.9 | 3.1 |
| Rotor inertia | gcm² | 70 | 70 | 70 |
| Weight | g | 66 | 66 | 66 |
| Thermal resistance housing-ambient | K/W | 8.9 | 8.9 | 8.9 |
| Thermal resistance winding-housing | K/W | 2.7 | 2.7 | 2.7 |
| Thermal time constant motor | s | 325 | 325 | 325 |
| Thermal time constant winding | s | 252 | 252 | 252 |
| Operating temperature range | °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 | 12 | 12 | 12 | |
| Bearings | 2 ball bearings | 2 ball bearings | 2 ball bearings | |
| Commutation | Sensorless | Sensorless | Sensorless | |
| Protection class | IP | 20 | 20 | 20 |
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 | BO4416N2B02-34-12.0 |
|---|---|---|
| Voltage | V | 12.0 |
| Terminal resistance | Ω | 0.37 |
| No-load speed | rpm | 3450 |
| No-load current | A | 0.30 |
| Stall torque | mNm | 1057 |
| Stall current | A | 32.0 |
| Nominal torque | mNm | 95 |
| Nominal speed | rpm | 3100 |
| Nominal current | A | 3.2 |
| Max. output power | W | 95 |
| Max. efficiency | % | 81 |
| Back-EMF constant | mV/rpm | 3.4 |
| Torque constant | mNm/A | 33 |
| KV Value | rpm/V | 290 |
| Speed/torque gradient | rpm/mNm | 3.3 |
| Rotor inertia | gcm² | 70 |
| Weight | g | 66 |
| Thermal resistance housing-ambient | K/W | 8.9 |
| Thermal resistance winding-housing | K/W | 2.7 |
| Thermal time constant motor | s | 325 |
| Thermal time constant winding | s | 252 |
| Operating temperature range | °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 | 12 | |
| Bearings | 2 ball bearings | |
| Commutation | Sensorless | |
| Protection class | IP | 20 |
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 | BO4416N2B03-34-18.0 |
|---|---|---|
| Voltage | V | 18.0 |
| Terminal resistance | Ω | 0.75 |
| No-load speed | rpm | 3450 |
| No-load current | A | 0.17 |
| Stall torque | mNm | 1178 |
| Stall current | A | 24.0 |
| Nominal torque | mNm | 150 |
| Nominal speed | rpm | 2800 |
| Nominal current | A | 2.4 |
| Max. output power | W | 106 |
| Max. efficiency | % | 83 |
| Back-EMF constant | mV/rpm | 5.2 |
| Torque constant | mNm/A | 49.5 |
| KV Value | rpm/V | 190 |
| Speed/torque gradient | rpm/mNm | 2.9 |
| Rotor inertia | gcm² | 70 |
| Weight | g | 66 |
| Thermal resistance housing-ambient | K/W | 8.9 |
| Thermal resistance winding-housing | K/W | 2.7 |
| Thermal time constant motor | s | 325 |
| Thermal time constant winding | s | 252 |
| Operating temperature range | °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 | 12 | |
| Bearings | 2 ball bearings | |
| Commutation | Sensorless | |
| Protection class | IP | 20 |
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 | BO4416N2B04-24-24.0 |
|---|---|---|
| Voltage | V | 24.0 |
| Terminal resistance | Ω | 3.00 |
| No-load speed | rpm | 2360 |
| No-load current | A | 0.09 |
| Stall torque | mNm | 759 |
| Stall current | A | 8.0 |
| Nominal torque | mNm | 80 |
| Nominal speed | rpm | 2060 |
| Nominal current | A | 0.7 |
| Max. output power | W | 46 |
| Max. efficiency | % | 79 |
| Back-EMF constant | mV/rpm | 10.0 |
| Torque constant | mNm/A | 96 |
| KV Value | rpm/V | 98 |
| Speed/torque gradient | rpm/mNm | 3.1 |
| Rotor inertia | gcm² | 70 |
| Weight | g | 66 |
| Thermal resistance housing-ambient | K/W | 8.9 |
| Thermal resistance winding-housing | K/W | 2.7 |
| Thermal time constant motor | s | 325 |
| Thermal time constant winding | s | 252 |
| Operating temperature range | °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 | 12 | |
| Bearings | 2 ball bearings | |
| Commutation | Sensorless | |
| Protection class | IP | 20 |
Technical specifications are for guidance only, as the individual drives and motors are configured for specific applications. Subject to technical and visual changes.
