BLDC MotorZeming 42BL brushless DC motor · 42 mm
42BL6024
52 W, 24 V 42 mm BLDC motor from Zeming: 0.125 N·m rated at 4000 rpm.
Manufacturer datasheet: Zeming · 42BL6024 ↗ (checked 2026-10-18)Maker profile & contacts →
Figures are copied from the maker’s published datasheet; curves are calculated from them. Confirm with the manufacturer before ordering. Not stated on the datasheet, estimated from it: no-load current, resistance (fitted to the rated point), inductance, insulation class, IP rating.
How this motor is made
Full manufacturing overview: 57 mm Inner-rotor BLDC Motor →42 mm frame; built with the same process as the 57 mm inner-rotor reference series.
- 1. Lamination stamping & interlocking
- 2. Stator insulation
- 3. Winding
- 4. Terminal connection
- 5. Stator in-process test
- 6. Impregnation & curing
- 7. Rotor assembly
- 8. Magnetizing
- 9. Rotor balancing
- 10. Final assembly
- 11. End-of-line test
Export certification: Low-voltage motor without electronics
- Rated power
- 53.5 W
- Rated torque
- 0.125 N·m
- Rated speed
- 4,085 rpm
- Rated efficiency
- 69.2 %
Performance curves
Right axis:
SpeedEfficiency (right axis)
Calculated with the linear DC-motor model (constant 24 V supply, ignoring resistance rise with temperature).
Full specifications
General
- Motor type
- BLDC Motor
- Series
- Zeming 42BL brushless DC motor
- Frame / flange
- 42 mm
Rated Values
- Rated voltage
- 24 V
- Rated power
- 53.5 W
- Rated torque
- 0.125 N·m
- Rated speed
- 4,085 rpm
- Rated current
- 3.22 A
Performance
- Stall torque
- 0.483 N·m
- No-load speed
- 5,510 rpm
- Rated efficiency
- 69.2 %
- Peak efficiency
- 77.6 %
Electrical
- Torque constant Kt
- 0.041 N·m/A
- Back-EMF constant Ke
- 4.29 V/krpm
- Resistance
- 2.01 Ω
- Inductance
- 3.01 mH
- No-load current
- 0.17 A
- Stall current
- 12 A
- Electrical time constant
- 1.5 ms
- Mechanical time constant
- 11.1 ms
Mechanical
- Rotor inertia
- 93 g·cm²
- Body length
- 60 mm
- Weight
- 0.47 kg
- Power density
- 114 W/kg
- Protection
- IP40
Compatible drivers
All drivers →Drivers whose supply voltage covers this motor and whose continuous current is at least its rated current; drivers from the same maker first. Confirm Hall/encoder type and settings with the maker.
| Model | Maker | Motor type | Supply | Cont. / peak current | Feedback |
|---|---|---|---|---|---|
| ZM-BL4810F | Zeming | BLDC | 18–50 V DC | 10 A | Hall sensors, Sensorless |
| ZM-BL48D10 | Zeming | BLDC | 18–50 V DC | 10 A | Hall sensors, Sensorless |
| ZM-BL4810K | Zeming | BLDC | 18–50 V DC | 10 A | Hall sensors, Sensorless |
| ZM-BL4815F | Zeming | BLDC | 18–50 V DC | 15 A | Hall sensors, Sensorless |
| ZM-BL48Z18S | Zeming | BLDC | 24–48 V DC | 18 A | Hall sensors |
| ZM-BL24Z30S | Zeming | BLDC | 18–32 V DC | 30 A | Hall sensors, Sensorless |
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