The BO4316NB2B family features 43mm outer rotor sensorless BLDC motors engineered for precision motion control. Compact yet robust, these motors offer high reliability in UAV gimbals, handheld gimbals, LiDAR, and laser scanner systems. Flexible configuration options—including various shaft lengths, gear heads, and feedback devices—make them ideal for demanding industrial and automation applications.
| Parameter | Unit | BO4316NB2B27-38-9.0 | BO4316NB2B26-39-12.0 | BO4316NB2B05-38-24.0 |
|---|---|---|---|---|
| Voltage | V | 9.0 | 12.0 | 24.0 |
| Terminal resistance | Ω | 0.56 | 0.9 | 3.8 |
| No-load speed | rpm | 3730 | 3910 | 3800 |
| No-load current | A | 0.21 | 0.16 | 0.08 |
| Stall torque | mNm | 359 | 379 | 371 |
| Stall current | A | 15.9 | 13.2 | 6.3 |
| Nominal torque | mNm | 79.7 | 79.7 | 79.7 |
| Nominal speed | rpm | 2910 | 3080 | 2640 |
| Nominal current | A | 3.69 | 2.92 | 1.43 |
| Max. output power | W | 35 | 39 | 37 |
| Max. efficiency | % | 78 | 79 | 78 |
| Back-EMF constant | mV/rpm | 2.38 | 3.02 | 6.24 |
| Torque constant | mNm/A | 22.7 | 28.9 | 59.5 |
| Terminal inductance | mH | 0.4 | 0.65 | 2.8 |
| Speed/torque gradient | rpm/mNm | 10 | 10 | 10 |
| Rotor inertia | gcm² | 97 | 97 | 97 |
| Weight | g | 72 | 72 | 72 |
| Thermal resistance housing-ambient | K/W | 5.8 | 5.8 | 5.8 |
| Thermal resistance winding-housing | K/W | 2.8 | 2.8 | 2.8 |
| Thermal time constant motor | s | 400 | 400 | 400 |
| Thermal time constant winding | s | 13 | 13 | 13 |
| Operating temperature range | °C | -40~+120 | -40~+120 | -40~+120 |
| 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 | 8 | 8 | 8 |
| Axial load static | N | 85 | 85 | 85 |
| Radial load at 3 mm from mounting face | N | 26 | 26 | 26 |
| No. of pole pairs | 8 | 8 | 8 | |
| Bearings | 2 ball bearings | 2 ball bearings | 2 ball bearings | |
| Commutation | Hall-sensor | Hall-sensor | Hall-sensor | |
| 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 | BO4316NB2B27-38-9.0 |
|---|---|---|
| Voltage | V | 9.0 |
| Terminal resistance | Ω | 0.56 |
| No-load speed | rpm | 3730 |
| No-load current | A | 0.21 |
| Stall torque | mNm | 359 |
| Stall current | A | 15.9 |
| Nominal torque | mNm | 79.7 |
| Nominal speed | rpm | 2910 |
| Nominal current | A | 3.69 |
| Max. output power | W | 35 |
| Max. efficiency | % | 78 |
| Back-EMF constant | mV/rpm | 2.38 |
| Torque constant | mNm/A | 22.7 |
| Terminal inductance | mH | 0.4 |
| Speed/torque gradient | rpm/mNm | 10 |
| Rotor inertia | gcm² | 97 |
| Weight | g | 72 |
| Thermal resistance housing-ambient | K/W | 5.8 |
| Thermal resistance winding-housing | K/W | 2.8 |
| Thermal time constant motor | s | 400 |
| Thermal time constant winding | s | 13 |
| Operating temperature range | °C | -40~+120 |
| Thermal class of winding | °C | 155 |
| Axial play | mm | 0.012 |
| Radial play | mm | 0.008 |
| Axial load dynamic | N | 8 |
| Axial load static | N | 85 |
| Radial load at 3 mm from mounting face | N | 26 |
| No. of pole pairs | 8 | |
| Bearings | 2 ball bearings | |
| Commutation | Hall-sensor | |
| 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 | BO4316NB2B26-39-12.0 |
|---|---|---|
| Voltage | V | 12.0 |
| Terminal resistance | Ω | 0.9 |
| No-load speed | rpm | 3910 |
| No-load current | A | 0.16 |
| Stall torque | mNm | 379 |
| Stall current | A | 13.2 |
| Nominal torque | mNm | 79.7 |
| Nominal speed | rpm | 3080 |
| Nominal current | A | 2.92 |
| Max. output power | W | 39 |
| Max. efficiency | % | 79 |
| Back-EMF constant | mV/rpm | 3.02 |
| Torque constant | mNm/A | 28.9 |
| Terminal inductance | mH | 0.65 |
| Speed/torque gradient | rpm/mNm | 10 |
| Rotor inertia | gcm² | 97 |
| Weight | g | 72 |
| Thermal resistance housing-ambient | K/W | 5.8 |
| Thermal resistance winding-housing | K/W | 2.8 |
| Thermal time constant motor | s | 400 |
| Thermal time constant winding | s | 13 |
| Operating temperature range | °C | -40~+120 |
| Thermal class of winding | °C | 155 |
| Axial play | mm | 0.012 |
| Radial play | mm | 0.008 |
| Axial load dynamic | N | 8 |
| Axial load static | N | 85 |
| Radial load at 3 mm from mounting face | N | 26 |
| No. of pole pairs | 8 | |
| Bearings | 2 ball bearings | |
| Commutation | Hall-sensor | |
| 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 | BO4316NB2B05-38-24.0 |
|---|---|---|
| Voltage | V | 24.0 |
| Terminal resistance | Ω | 3.8 |
| No-load speed | rpm | 3800 |
| No-load current | A | 0.08 |
| Stall torque | mNm | 371 |
| Stall current | A | 6.3 |
| Nominal torque | mNm | 79.7 |
| Nominal speed | rpm | 2640 |
| Nominal current | A | 1.43 |
| Max. output power | W | 37 |
| Max. efficiency | % | 78 |
| Back-EMF constant | mV/rpm | 6.24 |
| Torque constant | mNm/A | 59.5 |
| Terminal inductance | mH | 2.8 |
| Speed/torque gradient | rpm/mNm | 10 |
| Rotor inertia | gcm² | 97 |
| Weight | g | 72 |
| Thermal resistance housing-ambient | K/W | 5.8 |
| Thermal resistance winding-housing | K/W | 2.8 |
| Thermal time constant motor | s | 400 |
| Thermal time constant winding | s | 13 |
| Operating temperature range | °C | -40~+120 |
| Thermal class of winding | °C | 155 |
| Axial play | mm | 0.012 |
| Radial play | mm | 0.008 |
| Axial load dynamic | N | 8 |
| Axial load static | N | 85 |
| Radial load at 3 mm from mounting face | N | 26 |
| No. of pole pairs | 8 | |
| Bearings | 2 ball bearings | |
| Commutation | Hall-sensor | |
| 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.
