Description
28mm BLDC outer rotor, sensorless
28mm BLDC outer rotor, sensorless
Specification | BO2820N2B01-140-12.0 |
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Voltage | 12.0 V |
Terminal resistance | 0.14 Ω |
No-load speed | 14000 rpm |
No-load current | 0.48 A |
Stall torque | 698 mNm |
Stall current | 86.3 A |
Nominal torque | 68.5 mNm |
Nominal speed | 10350 rpm |
Nominal current | 9.1 A |
Max. output power | 256 W |
Max. efficiency | 85.6 % |
Back-EMF constant | 0.9 mV/rpm |
Torque constant | 8.1 mNm/A |
KV Value | 1168 rpm/V |
Speed/torque gradient | 20.1 rpm/mNm |
Rotor inertia | 19 g·cm² |
Weight | 41 g |
Thermal resistance housing-ambient | 2.3 K/W |
Thermal resistance winding-housing | 2 K/W |
Thermal time constant motor | 280 s |
Thermal time constant winding | 37 s |
Operating temperature range | -40~+120 °C |
Thermal class of winding | 180 °C |
Axial play | 0.012 mm |
Radial play | 0.008 mm |
Axial load dynamic | 5 N |
Axial load static | 80 N |
Radial load at 3 mm from mounting face | 29 N |
No. of pole pairs | 7 |
Bearings | 2 ball bearings |
Commutation | Sensorless |
Protection class | 20 IP |
Technical specifications are for guidance only, as the individual drives and motors are configured for specific applications. Subject to technical and visual changes.