Products Brushless DC Motor Outer Rotor BO2820N2B
BO2820N2B
Outer Rotor

BO2820N2B

12V Outer Rotor Brushless DC Motor

Diameter: 27.6mm; Length: 20.1mm; Voltage: 12.0v, 24.0v, 36.0v; Max output power: 244 - 263W; Speed: 14000rpm; Rated torque: 68.5 - 75mNm.

Application : UAV, Plane, Aeromodelling, etc. 
Customizable: Specifications, wires, shaft length, performance, bearings, gearbox, Hall sensors, driver

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Parameter Outline Drawing Characteristic Curve Download
Characteristics UNIT 01-140-12.0 02-140-24.0 03-140-36.0
Voltage V 12.0 24.0 36.0
Terminal resistance Ω 0.14 0.58 1.22
No-load speed rpm 14000 14000 14000
No-load current A 0.48 0.24 0.16
Stall torque mNm 698 664 718
Stall current A 86.3 41.2 29.6
Nominal torque mNm 68.5 75 73
Nominal speed rpm 10350 10680 11310
Nominal current A 9.1 4.7  3.0 
Max.output power W 256 244 263
Max.efficiency % 85.6 85.1 85.9
Back-EMF constant mV/rpm 0.9 1.7 2.6
Torque constant mNm/A 8.1 16.2 24.4
KV Value rpm/V 1168 585 389
Speed/torque gradient rpm/mNm 20.1 21.2 19.5
Rotor inertia gcm2 19 19 19
Weight g 41 41 41
BO2820N2B