The 25mm Encoder 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 478:1,1360rpm~12rpm, stall torque 0.6~9Kg.cm
Type: MG25EC-060210-34
Features:
Voltage: 3-9 V
Gear Ratio:34:1
Stall Torque: 10Kg.cm (6V)
Stall Current: 3.5A (6V)
No load Speed: 210rpm (6V)
No Load Current: 130mA (6V)
Rated torque: 5.2Kg.cm (6V)
Rated Speed: 110rpm (6V)
Rated Current: 1.1A (6V)
Size: 25*62.5(gearhead length 21mm)
AB phase Hall Sensor Encoder 11ppr
(data sheet download @6V 300rpm 20:1 )