99:1 Metal Gearmotor 25Dx54L mm HP with 48 CPR Encoder

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This cylindrical, 2.62" x 0.98" x 0.98" gearmotor uses a brushed DC motor with extra-strong magnets and a 98.78:1 metal gearbox to deliver a lot of power in a relatively small pack age. It has an integrated 48 CPR quadrature encoder on the motor shaft, which provides 4741 counts per revolution of the gearbox’s output shaft. These units have a 0.315"-long, 4 mm-diameter D-shaped output shaft. These motors are intended for use at 6 V. In general, these kinds of motors can run at voltages above and below this nominal voltage, so they should comfortably operate in the 3 – 9 V range, though they can begin rotating at voltages as low as 1 V. Higher voltages could start negatively affecting the life of the motor.Key specs at 6 V: 100 RPM and 450 mA free-run, 160 oz-in (11.5 kg-cm) and 6 A stall. Dimensions: Size: 25D x 66L mm Weight: 3.62 oz Shaft diameter: 4 mm Specifications: Gear ratio: 98.78:1 Free-run speed @ 6V: 100 rpm Free-run current @ 6V: 450 mA Stall current @ 6V: 6000 mA Stall torque @ 6V: 160 oz·in Lead length: 8 in Note: May vary by a few inches. Show more