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298:1 Micro Metal Gearmotor MP 6V

Product Code: Pololu #2371

298:1 Micro Metal Gearmotor MP 6V
298:1 Micro Metal Gearmotor MP 6V
298:1 Micro Metal Gearmotor MP 6V
298:1 Micro Metal Gearmotor MP 6V
298:1 Micro Metal Gearmotor MP 6V
298:1 Micro Metal Gearmotor MP 6V
298:1 Micro Metal Gearmotor MP 6V
298:1 Micro Metal Gearmotor MP 6V

₹2,399.00
GST inclusive



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Availability: Backorder


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These tiny brushed DC gearmotors are available in a wide range of gear ratios—from 5:1 up to 1000:1—and with five different motors: high-power 6 V and 12 V motors with long-life carbon brushes (HPCB), and high-power (HP), medium power (MP), and low power (LP) 6 V motors with shorter-life precious metal brushes. The 6 V and 12 V HPCB motors offer the same performance at their respective nominal voltages, just with the 12 V motor drawing half the current of the 6 V motor. The 6 V HPCB and 6 V HP motors are identical except for their brushes, which only affect the lifetime of the motor.

The HPCB versions (shown on the left in the picture below) can be differentiated from versions with precious metal brushes (shown on the right) by their copper-colored terminals. Note that the HPCB terminals are 0.5 mm wider than those on the other micro metal gearmotor versions (2 mm vs. 1.5 mm), and they are about 1 mm closer together (6 mm vs. 7 mm).

 

 

Versions of these gearmotors are also available with an additional 1 mm-diameter output shaft that protrudes from the rear of the motor. This 4.5 mm-long rear shaft rotates at the same speed as the input to the gearbox and offers a way to add an encoder, such as our magnetic encoder for micro metal gearmotors (see the picture on the right), to provide motor speed or position feedback.

With the exception of the 1000:1 gear ratio versions, all of the micro metal gearmotors have the same physical dimensions, so one version can be easily swapped for another if your design requirements change. Please see the miocro metal gearmotor comparison table or detailed specifications of all our micro metal gearmotors. This dynamically-sortable table can help you find the gearmotor that offers the best blend of speed, torque, and current-draw for your particular application. A more basic comparison table is available below.

Rated
Voltage
Motor Type Stall
Current
@ Rated Voltage
No-Load
Speed
@ Rated Voltage
Approximate
Stall Torque
@ Rated Voltage


Single-Shaft
(Gearbox Only)


Dual-Shaft
(Gearbox & Motor)
 
 
12 V high-power,
carbon brushes
(HPCB)
800 mA 6000 RPM 2 oz-in 5:1 HPCB 12V 5:1 HPCB 12V dual-shaft
3000 RPM 4 oz-in 10:1 HPCB 12V 10:1 HPCB 12V dual-shaft
1000 RPM 9 oz-in 30:1 HPCB 12V 30:1 HPCB 12V dual-shaft
625 RPM 15 oz-in 50:1 HPCB 12V 50:1 HPCB 12V dual-shaft
400 RPM 22 oz-in 75:1 HPCB 12V 75:1 HPCB 12V dual-shaft
320 RPM 30 oz-in 100:1 HPCB 12V 100:1 HPCB 12V dual-shaft
200 RPM 40 oz-in 150:1 HPCB 12V 150:1 HPCB 12V dual-shaft
140 RPM 50 oz-in 210:1 HPCB 12V 210:1 HPCB 12V dual-shaft
120 RPM 60 oz-in 250:1 HPCB 12V 250:1 HPCB 12V dual-shaft
100 RPM 70 oz-in 298:1 HPCB 12V 298:1 HPCB 12V dual-shaft
32 RPM 125 oz-in 1000:1 HPCB 12V 1000:1 HPCB 12V dual-shaft
 
 
6 V high-power,
carbon brushes
(HPCB)
1600 mA 6000 RPM 2 oz-in 5:1 HPCB 6V 5:1 HPCB 6V dual-shaft
3000 RPM 4 oz-in 10:1 HPCB 6V 10:1 HPCB 6V dual-shaft
1000 RPM 9 oz-in 30:1 HPCB 6V 30:1 HPCB 6V dual-shaft
625 RPM 15 oz-in 50:1 HPCB 6V 50:1 HPCB 6V dual-shaft
400 RPM 22 oz-in 75:1 HPCB 6V 75:1 HPCB 6V dual-shaft
320 RPM 30 oz-in 100:1 HPCB 6V 100:1 HPCB 6V dual-shaft
200 RPM 40 oz-in 150:1 HPCB 6V 150:1 HPCB 6V dual-shaft
140 RPM 50 oz-in 210:1 HPCB 6V 210:1 HPCB 6V dual-shaft
120 RPM 60 oz-in 250:1 HPCB 6V 250:1 HPCB 6V dual-shaft
100 RPM 70 oz-in 298:1 HPCB 6V 298:1 HPCB 6V dual-shaft
32 RPM 125 oz-in 1000:1 HPCB 6V 1000:1 HPCB 6V dual-shaft
 
 
6 V high-power
(HP)


(same specs as
6V HPCB above)
1600 mA 6000 RPM 2 oz-in 5:1 HP 6V 5:1 HP 6V dual-shaft
3000 RPM 4 oz-in 10:1 HP 6V 10:1 HP 6V dual-shaft
1000 RPM 9 oz-in 30:1 HP 6V 30:1 HP 6V dual-shaft
625 RPM 15 oz-in 50:1 HP 6V 50:1 HP 6V dual-shaft
400 RPM 22 oz-in 75:1 HP 6V 75:1 HP 6V dual-shaft
320 RPM 30 oz-in 100:1 HP 6V 100:1 HP 6V dual-shaft
200 RPM 40 oz-in 150:1 HP 6V 150:1 HP 6V dual-shaft
140 RPM 50 oz-in 210:1 HP 6V 210:1 HP 6V dual-shaft
120 RPM 60 oz-in 250:1 HP 6V 250:1 HP 6V dual-shaft
100 RPM 70 oz-in 298:1 HP 6V 298:1 HP 6V dual-shaft
32 RPM 125 oz-in 1000:1 HP 6V 1000:1 HP 6V dual-shaft
 
 
6 V medium-power
(MP)
700 mA 4400 RPM 1.5 oz-in   5:1 MP 6V dual-shaft
2200 RPM 3 oz-in 10:1 MP 6V 10:1 MP 6V dual-shaft
730 RPM 8 oz-in 30:1 MP 6V 30:1 MP 6V dual-shaft
420 RPM 12 oz-in 50:1 MP 6V 50:1 MP 6V dual-shaft
290 RPM 17 oz-in 75:1 MP 6V 75:1 MP 6V dual-shaft
220 RPM 21 oz-in 100:1 MP 6V 100:1 MP 6V dual-shaft
150 RPM 28 oz-in 150:1 MP 6V 150:1 MP 6V dual-shaft
100 RPM 36 oz-in   210:1 MP 6V dual-shaft
90 RPM 41 oz-in   250:1 MP 6V dual-shaft
75 RPM 46 oz-in 298:1 MP 6V 298:1 MP 6V dual-shaft
22 RPM 80 oz-in 1000:1 MP 6V 1000:1 MP 6V dual-shaft
 
 
6 V low-power
(LP)
360 mA 2500 RPM 1 oz-in 5:1 LP 6V 5:1 LP 6V dual-shaft
1300 RPM 2 oz-in 10:1 LP 6V 10:1 LP 6V dual-shaft
440 RPM 4 oz-in 30:1 LP 6V 30:1 LP 6V dual-shaft
250 RPM 7 oz-in 50:1 LP 6V 50:1 LP 6V dual-shaft
170 RPM 9 oz-in 75:1 LP 6V 75:1 LP 6V dual-shaft
120 RPM 12 oz-in 100:1 LP 6V 100:1 LP 6V dual-shaft
85 RPM 17 oz-in 150:1 LP 6V 150:1 LP 6V dual-shaft
60 RPM 27 oz-in 210:1 LP 6V 210:1 LP 6V dual-shaft
50 RPM 32 oz-in 250:1 LP 6V 250:1 LP 6V dual-shaft
45 RPM 40 oz-in 298:1 LP 6V 298:1 LP 6V dual-shaft
14 RPM 70 oz-in 1000:1 LP 6V 1000:1 LP 6V dual-shaft

Note: Stalling or overloading gearmotors can greatly decrease their lifetimes and even result in immediate damage. The recommended upper limit for instantaneous torque is 35 oz-in (2.5 kg-cm) for the 1000:1 gearboxes and 25 oz-in (2 kg*cm) for all the other gear ratios; we strongly advise keeping applied loads well under this limit. Stalls can also result in rapid (potentially on the order of seconds) thermal damage to the motor windings and brushes, especially for the versions that use high-power (HP and HPCB) motors; a general recommendation for brushed DC motor operation is 25% or less of the stall current.

In general, these kinds of motors can run at voltages above and below their nominal voltages; lower voltages might not be practical, and higher voltages could start negatively affecting the life of the motor.

Details for item #2371

Exact gear ratio: 25×34×37×35×3812×9×10×13×10≈297.92:125×34×37×35×3812×9×10×13×10≈297.92:1

Gearmotor Dimensions

In terms of size, these gearmotors are very similar to Sanyo’s popular 12 mm NA4S DC gearmotors, and gearmotors with this form factor are occasionally referred to as N20 motors. The versions with carbon brushes (HPCB) have slightly different terminal and end-cap dimensions than the versions with precious metal brushes, but all of the other dimensions are identical.

Dimensions of versions with carbon brushes (HPCB)

 

Dimensions of the Pololu micro metal gearmotors with carbon brushes (HPCB). Units are mm over [inches].

 

Dimensions of versions with precious metal brushes (LP, MP, and HP)

 

Dimensions of the Pololu micro metal gearmotors with precious metal brushes: low-power (LP), medium-power (MP), and high-power (HP). Units are mm over [inches].

 

These diagrams are also available as a downloadable PDF (262k pdf).

Motor Accessories

  • Wheels and hubs: The micro metal gearmotor’s output shaft matches our assortment of Pololu wheels and the Solarbotics RW2i rubber wheel.

Pololu wheel 32×7mm on a micro metal gearmotor.

Black Pololu 70×8mm wheel on a Pololu micro metal gearmotor.

A pair of Pololu universal aluminum mounting hubs for 3 mm diameter shafts.

 

12mm Hex Wheel Adapter for 3mm Shaft on a Micro Metal Gearmotor.

 

  • Mounting brackets: Our mounting bracket (also available in white) and extended mounting bracket are specifically designed to securely mount the gearmotor while enclosing the exposed gears. We recommend the extended mounting bracket for wheels with recessed hubs, such as the Pololu wheel 42×19mm. Our micro metal gearmotors will also work with our 15.5D mm metal gearmotor bracket pair.

 

Black micro metal gearmotor mounting bracket pair with included screws and nuts.

White micro metal gearmotor mounting bracket pair with included screws and nuts.

Pololu micro metal gearmotor bracket extended with micro metal gearmotor.

 

  • Quadrature encoders: We offer several quadrature encoders that work with our micro metal gearmotors.

 

Magnetic Encoder Kit for Micro Metal Gearmotors assembled with ribbon cable wires.

Example of an installed micro metal gearmotor reflective optical encoder.

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