1928 12V Dc Coreless Motors

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Product Details


  • When you got the goods, test them, and give me a feedback.

  • Professional inspector check rides quality before delivery.

  • Standardized packaging .

  • We will reply you for your inquiry in 24 hours.



Sandard Parameters:

Nominal voltage12V
No load speed9000 RPM
No load current20mA
Nominal speed6000 RPM
Nominal torque(Max.continuous torque)82 g.cm
Nominal current(Max. continuous current)0.7A
Stall torque250 g.cm
Stall current2A
Terminal resistance6Ω
Terminal inductance 
torque constant12.374 mNm
speed constant 
speed/torque constant 
rotor inertia 
brushesPrecious metals brush
bearingSliding bearing
Thermal data 
thermal resistance housing-ambient

85 ℃

thermal resistance winding-housing 
thermal time constant winding 
thermal time constant motorAbout 800 H
ambient temperature-10 ~+ 50℃ Normal Humidity
Max use temperature<85 ℃
Mechanical data 
bearing typePowder metallurgy material
Max. speed9000 RPM
axial play

0.15 mm

radial play

0.02 mm

Max. axial load(dynamic) 
Max. force for press fits(static) 
(static、shaft supported) 
Max. radial load 
Other specifications 
Number of pole pairs1
Number of commutator segments5

(Remarks:Above the specifications just for your review only,customized according to your need.)


XBD-1928 Applications
Remote-control-carTattoo machineElectric eyebrow knifeMedical-instrumentsBeauty-equipment
Tattoo-machineElectric engraved lipsElectrical-toolsAutomatic-curtainsRobot



can combined with gear/ encoder/ gearbox/gearbox+encoder



Structure diagram



Ball and sleeve bearings: characteristics
Ball bearing
· well suited for high radial and axial loads
· well suited for all operating modes, for start-stop and reversing operation
· on larger motors
· more audible noise if not preloaded
· when preloaded higher friction
· more expensive Sintered sleeve bearings
· suited for low radial and axial loads
· suited for continuous operation at higher speeds
· smaller motors
· low friction and noise
· cost effective
· not suited for start-stop operation

Payment of terms 




1 Q: What if I don't know which gear motor I need?
A:Don't worry, Send as much information as you can, our team will help you find the right one you are looking for.
2Q:How long should I wait for the feedback after I send the enquiry?
A: Within 12 hours.
3Q:What is your product warrenty period?
A:We offer one year warrenty since the vessel departure date left China.
4Q:What industries are your motors being used?
A:Our gearboxes are widely used in the areas of household appliances and light industry,etc.
5Q:How to delivery:
A: By sea - Buyer appoint forwarder, or our sales team find suitable forwarder for buyers.
By air - Buyer offer collect express account, or our sales team find suitable  express for buyers. (Mostly for sample)
6Q:What kinds of certifications do we have?
A1:CCC, ISO9001.
7Q:Are we trade company or manufacturer?

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  • Building 25, Feipeng Industry Park, Fumin Industry Zone, Pinghu Town, Longgang District, Shenzhen City, China.

  • luca@sinbad-motor.com

  • +86-755-85215266

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