The 25mm general gearmotors are widely used on Intelligent robots,intelligent manipulators, intelligent furnitures, Intelligent focusing systems etc. Those are incredibly tough and feature full metal gears. Have gear ratio 4.4:1 to 478:1,2700rpm~25rpm, stall torque 1.8~12Kg.cm
Type: MG25B-061360-4
Features:
Voltage: 3-9 V
Gear Ratio:4.4:1
Stall Torque: 0.6Kg.cm (6V)
Stall Current: 2.6A (6V)
No load Speed: 1360rpm (6V)
No Load Current: 100mA (6V)
Rated torque: 0.15Kg.cm (6V)
Rated Speed: 1000rpm (6V)
Rated Current: 0.5A (6V)
Size:25*49.8(gearhead length 19mm)
(data sheet download @6V 1360rpm 4.4:1 )