BLDC MotorTopband BL40 inner-rotor BLDC · Ø60 mm

BL4010

Name: BL4010
Brand: Topband Motor

142.4 W, 25.4 V Ø60 mm BLDC motor from Topband Motor: 0.016 N·m rated at 85000 rpm.

Manufacturer datasheet: Topband Motor · BL4010 ↗ (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: torque constant (fitted to the rated point), resistance (fitted to the rated point), inductance, rotor inertia, insulation class, IP rating.

Applications:Power Tools Home Appliances

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How this motor is made

Full manufacturing overview: 57 mm Inner-rotor BLDC Motor →

Ø60 mm frame; built with the same process as the 57 mm inner-rotor reference series.

Assembly steps: 11
Equipment types: 14
BOM lines: 13
PRD suppliers: 88

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: 142 W
Rated torque: 0.016 N·m
Rated speed: 85,000 rpm
Rated efficiency: 41.8 %

Performance curves

Right axis:

SpeedEfficiency (right axis)

Calculated with the linear DC-motor model (constant 25.4 V supply, ignoring resistance rise with temperature).

Full specifications

General

Motor type: BLDC Motor
Series: Topband BL40 inner-rotor BLDC
Frame / flange: Ø60 mm

Rated Values

Rated voltage: 25.4 V
Rated power: 142 W
Rated torque: 0.016 N·m
Rated speed: 85,000 rpm
Rated current: 13.4 A

Performance

Stall torque: 0.707 N·m
No-load speed: 86,969 rpm
Rated efficiency: 41.8 %
Peak efficiency: 69.3 %

Electrical

Torque constant Kt: 0.00271 N·m/A
Back-EMF constant Ke: 0.284 V/krpm
Resistance: 0.0947 Ω
Inductance: 0.142 mH
No-load current: 7.51 A
Stall current: 268 A
Electrical time constant: 1.5 ms
Mechanical time constant: 201 ms

Mechanical

Rotor inertia: 156 g·cm²
Body length: 79.2 mm
Shaft diameter: 4 mm
Weight: 0.23 kg
Power density: 619 W/kg
Insulation class: B
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-BL4815F	Zeming	BLDC	18–50 V DC	15 A	Hall sensors, Sensorless
DBL-15RS	Mayi Motor	BLDC	18–60 V DC	15 A	Hall sensors
DBL4815RS	Mayi Motor	BLDC	18–55.2 V DC	15 A / 50 A
BD15L□□2□	Stonker Motor	BLDC	12–60 V DC	15 A	Sensorless
ZLAC8015	ZLTECH	Servo, BLDC	24–48 V DC	15 A / 30 A	Incremental encoder, Hall sensors
ZLAC8015D	ZLTECH	Servo, BLDC	24–48 V DC	15 A / 30 A	Incremental encoder, Hall sensors