{"title":"Micro Metal Gearmotor (Extended back shaft) - 20:1","handle":"micro-metal-gearmotor-extended-back-shaft-20-1","url":"/products/micro-metal-gearmotor-extended-back-shaft-20-1","description":"A miniature brushed DC motor with a 20:1 metal gearbox and an extended back shaft for mounting optical encoders. All micro metal gearmotors share the same physical dimensions, so different gear ratios can be easily swapped without changing your mechanical design.\n\nKey Features\n\n\n20:1 Metal Gearbox – Balanced speed and torque for general-purpose applications\n\nExtended Back Shaft – 4.5mm long, 1mm diameter rear shaft for optical encoder mounting\n\nD-Shaped Output Shaft – 9mm long, 3mm diameter metal shaft\n\nCompact Form Factor – Standard micro metal gearmotor dimensions, interchangeable with other ratios\n\n\nSpecifications (20:1 @ 6V)\n\n\nSpeed: 1050 ±10% RPM\n\nFree-Run Current: 90mA (180mA max)\n\nStall Torque: 0.26 kg·cm\n\nStall Current: 850mA\n\nOutput Shaft: 9mm long, 3mm diameter, D-shaped\n\nBack Shaft: 4.5mm long, 1mm diameter\n\n\nIdeal For\n\nSmall robotics and mobile platforms\nProjects requiring speed feedback via optical encoders\nCompact mechanisms needing moderate speed and torque\n\n\nResources\n\n20:1 Gearmotor Datasheet (PDF)\n","vendor":"Pimoroni","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":6884,"title":"Default Title","sku":"PI-COM0808","price":10.27,"on_sale":false,"in_stock":true,"available_quantity":5,"option1":"Default Title"}]}