50:1 Metal Gearmotor 37Dx54L mm 12V (Helical Pinion)

50:1 Metal Gearmotor 37Dx54L mm 12V (Helical Pinion)

CHF25.02

This gearmotor is a powerful brushed DC motor with 50:1 metal gearbox intended for operation at 12 V. The gearbox is composed mainly of spur gears, but it features helical gears for the first stage for reduced noise and improved efficiency. These units have a 16 mm-long, 6 mm-diameter D-shaped output shaft.

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Measuring 37 mm (1.46″) in diameter, these brushed DC gearmotors are the largest and most powerful we carry. They are available in a range of gear ratios from 6.3:1 to 150:1 and with 12 V or 24 V motors, and all versions are available with integrated 64 CPR quadrature encoders on the motor shafts. The 12 V and 24 V motors offer approximately the same performance at their respective nominal voltages, with the 24 V motor drawing half the current of the 12 V motor. 

Note: The listed stall torques and currents are theoretical extrapolations; units will typically stall well before these points as the motors heat up. Stalling or overloading gearmotors can greatly decrease their lifetimes and even result in immediate damage. The recommended upper limit for continuously applied loads is 10 kg-cm (150 oz-in), and the recommended upper limit for instantaneous torque is 25 kg-cm (350 oz-in). Stalls can also result in rapid (potentially on the order of seconds) thermal damage to the motor windings and brushes; a general recommendation for brushed DC motor operation is 25% or less of the stall current.

Dimensions:

Size: 37D × 54L mm
Weight: 190 g
Shaft diameter: 6 mm

General specifications:

Gear ratio: 50:1
No-load speed @ 12V: 200 rpm
No-load current @ 12V: 0.2 A
Stall current @ 12V: 5.5 A3
Stall torque @ 12V: 21 kg·cm
Max output power @ 12V: 10 W
No-load speed @ 6V: 100 rpm
No-load current @ 6V: 0.15 A
Stall current @ 6V: 3.0 A
Stall torque @ 6V: 12 kg·cm
Motor type: 12V
PO-4743

Specific References

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