Specification:
Model A/ Model B ( Metal Brush Motor )
Notes:The only difference between Model A and Model B is the location of the installation holes.
Model: N20 motor
Body length: 15MM
Body diameter: 12MM
Motor height:10mm
Shaft diameter: 1MM
Shaft length:front 5.2mm, back 6.7mm back shaft
[Voltage]: 3.0V-12V
Voltage Speed (no load) Current
3.0V 4600rpm 15 ma
6V 10000 rpm 20ma
9V 15000rpm 25ma
12V 20000rpm 30ma

Model C ( Carbon Brush Motor )
Model: FK-N20
Motor size: 15.5mm*12mm*10mm
Output shaft diameter: 1.0mm
Output shaft length: 7.4mm
Weight: 6g
Voltage range: DC 3V-5V
Test data:
Voltage:3.0V No-load speed:23000RPM Current:230mA
Voltage:5.0V No-load speed:38000RPM Current:340mA
Model: FK-N20
Motor size: 15.5mm*12mm*10mm
Output shaft diameter: 1.0mm
Output shaft length: 7.4mm
Weight: 6g
Voltage range: DC 3V-5V
Test data:
Voltage:3.0V No-load speed:23000RPM Current:230mA
Voltage:5.0V No-load speed:38000RPM Current:340mA

Package:
Motor x 1