The BH2245NH2B is a 22mm outer diameter, slotless, inner rotor BLDC motor engineered for high efficiency and precision. Featuring integrated sensors for accurate feedback, this motor excels in industrial automation, medical equipment, robotics, and electrical tools. Customizable with options such as special coils, various shaft lengths, gear heads, encoders, and hall sensors to suit diverse application needs.
| Parameter | Unit | BH2245NH2B01-492-24.0 | BH2245NH2B02-505-36.0 | BH2245NH2B03-492-48.0 |
|---|---|---|---|---|
| Voltage | V | 24.0 | 36.0 | 48.0 |
| Terminal resistance | Ω | 0.28 | 0.55 | 1.13 |
| No-load speed | rpm | 49200 | 50500 | 49200 |
| No-load current | A | 0.33 | 0.26 | 0.16 |
| Stall torque | mNm | 396 | 442 | 392 |
| Stall current | A | 85.71 | 65.46 | 42.48 |
| Nominal torque | mNm | 16 | 16 | 16 |
| Nominal speed | rpm | 47232 | 48732 | 47232 |
| Nominal current | A | 3.75 | 2.54 | 1.85 |
| Max. output power | W | 510 | 584 | 505 |
| Max. efficiency | % | 88 | 88 | 88 |
| Back-EMF constant | mV/rpm | 0.486 | 0.71 | 0.972 |
| Torque constant | mNm/A | 4.64 | 6.78 | 9.281 |
| KV Value | rpm/V | 2050 | 1400 | 1025 |
| Speed/torque gradient | rpm/mNm | 124 | 114 | 125 |
| Rotor inertia | gcm² | 1.49 | 1.49 | 1.49 |
| Weight | g | 92 | 92 | 92 |
| Thermal resistance housing-ambient | K/W | 1.61 | 1.61 | 1.61 |
| Thermal resistance winding-housing | K/W | 0.37 | 0.37 | 0.37 |
| Thermal time constant motor | s | 885 | 885 | 885 |
| Thermal time constant winding | s | 830 | 830 | 830 |
| 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 | 1.5 | 1.5 | 1.5 |
| Axial load static | N | 60 | 60 | 60 |
| Radial load at 3 mm from mounting face | N | 10 | 10 | 10 |
| No. of pole pairs | 1 | 1 | 1 | |
| Bearings | 2 ball bearings | 2 ball bearings | 2 ball bearings | |
| Commutation | Hall Sensor | Hall Sensor | Hall Sensor | |
| Protection class | IP | 40 | 40 | 40 |
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 | BH2245NH2B01-492-24.0 |
|---|---|---|
| Voltage | V | 24.0 |
| Terminal resistance | Ω | 0.28 |
| No-load speed | rpm | 49200 |
| No-load current | A | 0.33 |
| Stall torque | mNm | 396 |
| Stall current | A | 85.71 |
| Nominal torque | mNm | 16 |
| Nominal speed | rpm | 47232 |
| Nominal current | A | 3.75 |
| Max. output power | W | 510 |
| Max. efficiency | % | 88 |
| Back-EMF constant | mV/rpm | 0.486 |
| Torque constant | mNm/A | 4.64 |
| KV Value | rpm/V | 2050 |
| Speed/torque gradient | rpm/mNm | 124 |
| Rotor inertia | gcm² | 1.49 |
| Weight | g | 92 |
| Thermal resistance housing-ambient | K/W | 1.61 |
| Thermal resistance winding-housing | K/W | 0.37 |
| Thermal time constant motor | s | 885 |
| Thermal time constant winding | s | 830 |
| 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 | 1.5 |
| Axial load static | N | 60 |
| Radial load at 3 mm from mounting face | N | 10 |
| No. of pole pairs | 1 | |
| Bearings | 2 ball bearings | |
| Commutation | Hall Sensor | |
| Protection class | IP | 40 |
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 | BH2245NH2B02-505-36.0 |
|---|---|---|
| Voltage | V | 36.0 |
| Terminal resistance | Ω | 0.55 |
| No-load speed | rpm | 50500 |
| No-load current | A | 0.26 |
| Stall torque | mNm | 442 |
| Stall current | A | 65.46 |
| Nominal torque | mNm | 16 |
| Nominal speed | rpm | 48732 |
| Nominal current | A | 2.54 |
| Max. output power | W | 584 |
| Max. efficiency | % | 88 |
| Back-EMF constant | mV/rpm | 0.71 |
| Torque constant | mNm/A | 6.78 |
| KV Value | rpm/V | 1400 |
| Speed/torque gradient | rpm/mNm | 114 |
| Rotor inertia | gcm² | 1.49 |
| Weight | g | 92 |
| Thermal resistance housing-ambient | K/W | 1.61 |
| Thermal resistance winding-housing | K/W | 0.37 |
| Thermal time constant motor | s | 885 |
| Thermal time constant winding | s | 830 |
| 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 | 1.5 |
| Axial load static | N | 60 |
| Radial load at 3 mm from mounting face | N | 10 |
| No. of pole pairs | 1 | |
| Bearings | 2 ball bearings | |
| Commutation | Hall Sensor | |
| Protection class | IP | 40 |
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 | BH2245NH2B03-492-48.0 |
|---|---|---|
| Voltage | V | 48.0 |
| Terminal resistance | Ω | 1.13 |
| No-load speed | rpm | 49200 |
| No-load current | A | 0.16 |
| Stall torque | mNm | 392 |
| Stall current | A | 42.48 |
| Nominal torque | mNm | 16 |
| Nominal speed | rpm | 47232 |
| Nominal current | A | 1.85 |
| Max. output power | W | 505 |
| Max. efficiency | % | 88 |
| Back-EMF constant | mV/rpm | 0.972 |
| Torque constant | mNm/A | 9.281 |
| KV Value | rpm/V | 1025 |
| Speed/torque gradient | rpm/mNm | 125 |
| Rotor inertia | gcm² | 1.49 |
| Weight | g | 92 |
| Thermal resistance housing-ambient | K/W | 1.61 |
| Thermal resistance winding-housing | K/W | 0.37 |
| Thermal time constant motor | s | 885 |
| Thermal time constant winding | s | 830 |
| 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 | 1.5 |
| Axial load static | N | 60 |
| Radial load at 3 mm from mounting face | N | 10 |
| No. of pole pairs | 1 | |
| Bearings | 2 ball bearings | |
| Commutation | Hall Sensor | |
| Protection class | IP | 40 |
Technical specifications are for guidance only, as the individual drives and motors are configured for specific applications. Subject to technical and visual changes.
