B2040N2B

20mm brushless coreless motor
Diameter: 20mm; Length: 40mm; Voltage: 9.0v, 12.0v; Max output power: 7.2 - 31W; Speed: 6700 - 15000rpm; Rated torque: 7.6 - 10.2mNm.

Application : Medical, automation equipment, precision instruments, and other precision drive fields.
Customizable : Specifications, wire length, shaft length, performance, bearings, gearbox, encoder, driver

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Parameter Outline Drawing Characteristic Curve Download

Characteristics	UNIT	03-150-12.0	09-80-12.0	05-67-9.0
Voltage	V	12.0	12.0	9.0
Terminal resistance	Ω	1.1	3.6	2.5
No-load speed	rpm	15000	8000	6700
No-load current	A	0.25	0.22	0.2
Stall torque	mNm	79.6	41.7	41.2
Stall current	A	10.9	3.3	3.6
Nominal torque	mNm	7.6	7.6	10.2
Nominal speed	rpm	13000	5900	4300
Nominal current	A	1.3	0.8	1.1
Max.output power	W	31	8.7	7.2
Max.efficiency	%	72	55	58
Back-EMF constant	mV/rpm	0.8	1.4	1.3
Torque constant	mNm/A	7.5	13.4	12.1
KV Value	rpm/V	1250	666.7	744.4
Speed/torque gradient	rpm/mNm	188.5	192.1	162.7
Rotor inertia	gcm2	2	2	2
Weight	g	55	55	55