Center Shaft DC Gear motors specifically designed for robotic applications offer a wide variety of options. Key features – easy to use and mount, standard size for all RPM’s, a huge variety of RPM’s available, long durability and very affordable considering the features. These motors open a wide choice for you in terms of Wheels and chasis.
 
Specifications:
6mm shaft diameter with internal hole
125gm weight
Same size motor available in various rpm
Torque: 1 kgcm to 10 kgcm (depending on RPM)
No-load current = 60 mA(Max), Load current = 300 mA(Max)
 
Available in following RPM (at 12v):
3.5, 6, 10, 20, 30, 60, 100, 150, 200, 300, 500, 1000, 2000