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Description
DC Gearmotor
Nominal Voltage: 12V
No Load RPM: 350
Stall Current: 5A
Stall Torque: 110 oz-in
Shaft Diameter: 6 mm
The Pololu 12VDC, 350rpm 30:1 Metal Gearmotor is a powerful, high-quality motor with 30:1 metal gearbox intended for operation at 12V. These units have a 0.61"-long, 6 mm-diameter D-shaped output shaft. The key specifications at 12V:350 RPM and 300 mA free-run, 110 oz-in (8 kg-cm) and 5A stall. The face plate has six mounting holes evenly spaced around the outer edge threaded for M3 screws. These mounting holes form a regular hexagon and the center of neighboring holes are 15.5 mm apart. You can use the custom-designed 37D metal gearmotor bracket to mount the gearmotor to your project via these mounting holes and the screws that come with the bracket.
Please note that unlike the smaller metal gearmotors, these 37D mm gearmotors have output shafts with a diameter of 6 mm. The hub to the right can be used to mount custom wheels and mechanisms to the gearmotor's output shaft. The picture shows the dimensions (in mm) of the 37D mm line of gearmotors. The value of X is 22 mm for the 19:1 37Dx52L mm and 29:1 37Dx52L mm versions, 24 mm for the 50:1 37D x 54L mm and 67:1 37D x 54L mm versions, and 26.5 mm for the 100:1 37D x 57L mm and 122:1 37D x57L mm versions.
These motors are intended for use at 12V, though the operational specification were measured at 6V. At 12V, the no-load RPM, stall current, and stall torque will all be approximately twice of their 6V values.
Warning: Do not screw too far into the mounting holes as the screws can hit the gears. We recommend screwing no further than 3mm (1/8") into the screw hole.
Note: This motor is intended for operation at 12V.
If you are not satisfied for whatever reason with a Product you bought on the Site, it is possible to return it for refund within 30 days from the date you received it unless otherwise indicated in the Product listing. You must first advise the Vendor associated with your order in your account to obtain a return authorization (‘’RA’’) number before returning a Product. (‘’RA’’) numbers are valid for 30 days, within which time the returned Products should be received by the Vendor. No returns will be accepted without having previously obtained an (‘’RA’’) number. The Product must then be returned in its original packaging (in perfect condition for resale) with its receipt and your (‘’RA’’) number. Reimbursement will be denied for any Products which do not conform to the above mentioned conditions.
Build-it-yourself Robot Parts are not refundable once assembled. Robots & Kits requiring assembly or soldering are also not refundable once assembled, soldered or modified in any way. All sales of robotic software and apps are final and cannot be refunded or exchanged. Returns are not accepted on special orders and clearance items except when they are found defective, in which case the Product may be repaired or replaced at the Vendor’s discretion. 20% Restocking fees may apply if you are returning a large quantity of the same Product that was ordered specifically for you from the manufacturer.
Please note that all items will be reimbursed within 7 to 14 days of receiving the Product (shipping fees excluded). You must also cover the cost of returning the Product. Shipping fees will only be refunded if the return is a result of a shipping error on our part. Cleaning fees of USD 100 may also be charged if a domestic robot is returned and has not been properly cleaned.
