With hall sensors,
Sleeve bearing Brushless Motor.
BMS17-1821 Specifications
| Brushless Motor BMS17-1821 | ||||
|---|---|---|---|---|
| 1 | Nomal voltage | 24.0 | V | |
| 2 | No load speed | 20000 | rpm | |
| 3 | No load current | 72 | mA | |
| 4 | Stall torque | 11.8 | mNm | |
| 5 | Stall current | 1170 | mA | |
| 6 | Output power | 6.2 | W | |
| 7 | Max efficiency | 57 | % | |
| 8 | Terminal resistance | 20.5 | Ω | |
| 9 | Rated torque | 2.36 | mNm | |
| 10 | Rated speed | 16005 | rpm | |
| 11 | Rated current | 291 | mA | |
| 12 | Friction torque | 0.77 | mNm | |
| 13 | Back-EMF constant | 1.13 | mV/rpm | |
| 14 | Torque constant | 10.75 | mNm/A | |
| 15 | Slope of N-T curve | 1693 | rpm/mNm | |
| 16 | Mechanical time constant | 16.3 | ms | |
| 17 | Rotor inertia | 0.64 | gcm2 | |
| 18 | Max torque | 5.40 | mNm | |
*BMS17-1821 is a Brushless Motor with a diameter of 17 mm and length of 18 mm.
Mechanical data
| 19 | Shaft raddial play | 0.015 | mm |
| 20 | Shaft axial play | 0.2 | mm |
| 21 | Max shaft radial load | 5（4.2mm*） | N |
| 22 | Max shaft axial load | 1 | N |
| 23 | Max shaft axial load at standstill | 10 | N |
| 24 | Operating temperature | -20~80 | ℃ |
| 25 | Max coil temperature | 90 | ℃ |
| 26 | Weight | 21 | g |
*measured at () mm from flange
Environmental data
| #1 | Lw |
Motor winding U |
| #2 | Lu | Motor winding V |
| #3 | Hu | Motor winding W |
| #4 | Hv | Input voltage 3.0V(1.6∼5.5V) |
| #5 | Hw | GND |
| #6 | Lv | Hall sensor output U |
| #7 | Gnd | Hall sensor output V |
| #8 | Vdd | Hall sensor output W |
Sensored version available as option.
