CQRobot 4.4:1 HP Metal DC Geared-Down Motor 25Dx62.5L mm 12W/12V with 48 CPR Encoder and Fix Bracket. 2250 RPM/1.7 kg.cm (24 oz.in), D-Shaped Output Shaft 4 mm/12.5 mm (Diameter/Length).

This gearmotor consists of a high-power, 12 V brushed DC motor combined with a 4.4:1 metal spur gearbox, and it has an integrated 48 CPR quadrature encoder on the motor shaft, which provides 211.2 counts per revolution of the gearbox output shaft. The gearmotor is cylindrical, with a diameter just under 25 mm, and the D-shaped output shaft is 4 mm in diameter and extends 12.5 mm from the face plate of the gearbox. At 12V, the speed is 10,000 rpm before the motor decelerates.Warning: Do not screw too far into the mounting holes as the screws can hit the gears. CQRobot recommend screwing no further than 6 mm (0.24″) into the screw hole. Note: For technical support, please refer to CQRobot Wiki for detailed product information, SKU: CQR25D.SPECIFICATION- Gear Ratio: 4.4:1; - Max Power: 12 W; - No-load Speed @ 12V: 2250 rpm; - No-load Current @ 12V: 0.3 A; - Stall Current @ 12V: 5.6 A; - Stall Torque @ 12V: 1.7 kg.cm (24 oz.in); - Motor Type: 5.6A stall @ 12V (High-power 12V); - Encoder Operating Voltage: 3.3V to 24V; - Encoder Type: Hall (Incremental Type); - Encoder Resolution: 48 CPR; - Cable Specifications: 22AWG; - Cable Length: 20 cm; - Cable Material: Silicone; - Cable Output: 2.54 mm DuPont Female; - Line Sequence: Red: Motor Power (Connects to One Motor Terminal); Black: Motor Power (Connects to the Other Motor Terminal); Gray: Encoder GND; Blue: Encoder VCC (3.3 V to 24 V); Yellow: Encoder A Output; White: Encoder B Output; - Operating Temperature: -20 Degree Celsius to +60 Degree Celsius; - Motor Size: 25D * 62.5L mm; - Mounting Bracket Size: 28.5 mm * 27 mm * 27 mm; - Weight: 120 g.SHIPPING LIST1 * 4.4:1 Metal DC Geared-Down Motor w/Encoder(12V/HP) 1 * Metal Mounting Bracket Kit

• 4.4:1 High-power metal DC geared-down motor 25Dx62.5L mm 12V, with 48 CPR Encoder, with metal installation mounting bracket, D-shaped Output Shaft 4 mm diameter and length 12.5 mm;
• Max Power: 12 W;
• No-load Speed @ 12V: 2250 rpm;
• Stall Torque @ 12V: 1.7 kg.cm (24 oz.in);
• for Projects Such as Robots, Measuring Devices, Medical Equipment, Smart Balance Car, RC Car Model, Smart Home Appliance, Custom Servo, DIY Engine Toy.