{"title":"99:1 Metal Gearmotor 25Dx54L mm MP 12V with 48 CPR Encoder","handle":"99-1-metal-gearmotor-25dx54l-mm-mp-12v-with-48-cpr-encoder","url":"/products/99-1-metal-gearmotor-25dx54l-mm-mp-12v-with-48-cpr-encoder","description":"A medium-power 12V brushed DC gearmotor with a 98.78:1 metal spur gearbox and an integrated 48 CPR quadrature encoder on the motor shaft. The encoder provides 4741.44 counts per revolution of the gearbox output shaft, enabling precise closed-loop speed and position control.\n\nThe cylindrical motor body measures just under 25mm in diameter, and the D-shaped output shaft is 4mm in diameter, extending 12.5mm from the gearbox face plate.\n\nSpecifications\n\n\nGear Ratio – 98.78:1\n\nVoltage – 12V\n\nNo-Load Speed – 76 RPM\n\nNo-Load Current – 200mA\n\nStall Torque – 12 kg·cm (165 oz·in)\n\nStall Current – 2.1A\n\nEncoder – 48 CPR quadrature (4741.44 counts/rev at output)\n\nMotor Diameter – ~25mm\n\nOutput Shaft – 4mm D-shaped, 12.5mm length\n\nGearbox – Metal spur gears\n\nDimensions – 25D × 54L mm\n\n\nAlso Available\n\n\n99:1 Metal Gearmotor 25D×54L HP 6V – High-power 6V variant without encoder\n\n99:1 Metal Gearmotor 25D×54L LP 6V – Low-power 6V variant without encoder\n\n\nIdeal For\n\nClosed-loop robotics requiring precise speed/position control\nMotorised mechanisms with encoder feedback\n12V robotic drive systems\n\n\nPackage Contents\n\n1× 99:1 Metal Gearmotor 25D×54L mm MP 12V with 48 CPR Encoder\n","vendor":"Pololu","product_type":"physical","in_stock":false,"options":[],"variants":[{"id":12187,"title":"Default Title","sku":"PL-3243","price":55.0,"compare_at_price":68.0,"on_sale":true,"in_stock":false,"available_quantity":0,"option1":"Default Title"}]}