Dimension information: 
Motor diameter: 8mm 
Body height:6mm 
Body length: 10mm 
Shaft diameter:1.0mm 

Technical Performance: 
FF-K10VA-05240 
Voltage range: 1-4V 
Working voltage: 3.0V 
No load: 
Speed: 20500r/min 
Current: 0.06A 
On load: 
Speed: 11500 r/min 
Current: 0.165A 
Rated load:1.0g.cm 
At Stall: 
Torque:1.5g.cm 
Current: 0.25A 

FF-K10VA-07160 
Voltage range: 3-5V 
Working voltage: 4.8V 
No load: 
Speed: 42995r/min 
Current: 0.007A 
On load: 
Speed: 34777 r/min 
Current: 0.32A 
Rated load:1.4g.cm 
At Stall: 
Torque:5.1g.cm 
Current: 1.4A