8mm Coreless DC Motor – 23mm Type Model NFP-D8623-3933

8mm Coreless DC Motor – 23mm Type Model NFP-D8623-3933


Notice: this motor model need to make new ones that would take extra 1-2weeks.

8mm Diameter Coreless Motor Small Volume Price (USD)

1+ $5.00
100+ $2.85
1,000+ $2.05

Contact us for a quotation for production quantities, customizations and integration.

Micro Brush Coreless Motor Parameters

8mm miniature dc motor with precious metal brush and commutator. This the right place to buy coreless dc motors

Motor Model NFP-D8623-3933-1-3.4 NFP-D8623-3933-2-7.4
Rated Voltage 3.4V 7.4V
Motor Diameter 8.6mm ± 0.05mm 8.6mm ± 0.05mm
Shaft Length 5.8mm ± 0.3mm 5.8mm ± 0.3mm
Total Length 28.8mm ± 0.3mm 28.8mm ± 0.3mm
Motor Body Length 23.0mm ± 0.2mm 23.0mm ± 0.2mm
Terminal Resistance 0.4Ω 0.8Ω
No-load Speed 33500rpm 47000rpm
No-load Current 127mA 150mA
Max Output Power 7.065W 16.49W
Max Efficiency 73% 74%
Torque Constant 9.2 g.cm/A 14.7 g.cm/A
Stall Current 9090mA 9460mA
Stall Torque 82.2 g.cm 136.75 g.cm
Rotor Inertia <0.15 g.cm² <0.15 g.cm²
Weight 6.1g 6.1g


Small Coreless DC Motor Outline Drawing

Custom design service including add a connector, wire length, with a eccentric rotating mass.


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Additional information

Voltage & Speed

3.4V, 33500RPM, 7.4V, 47000RPM


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