{"product_id":"4-pack-18-volt-dc-motors-with-round-shaft-for-diy","title":"4 Pack 18 Volt DC Motors With Round Shaft For DIY Projects Drills Robots RC Cars Remote Control Vehicles Saw Repair Replacement Engine 12V To 20V Compatible Beefy Power And Torque","description":"\u003cdiv\u003eFour-Pack 18V DC Motors with Round Shaft for DIY Projects\u003cbr\u003e\n✔️ RS-550S brushed DC motors, 6-24V, ~20k no-load RPM, 3.175mm shaft \u003cp\u003eThis four-pack of RS-550S round-shaft DC motors is designed for DIY electronics, robotics, power tools, and RC projects. They’re a popular fit for hobby robots, compact CNCs, PowerWheels, gate openers, and other small tooling applications.\u003c\/p\u003e ✅ Weight: ~7.7 oz (218 g); L 57 mm (2.24 in); D 37 mm (1.46 in) \u003cbr\u003e\n✅ Operating voltage: ~6-20 V; optimal 12-18 V; 18 V nominal for best power \u003cbr\u003e\n✅ Shaft: length ~9 mm (0.35 in); diameter ~3.175 mm (1\/8 in); round shaft; stall current ~85 A; no-load RPM ~20,000; peak efficiency ~17,000 RPM \u003cbr\u003e\n✅ Mounting and fit: two M3 holes, 25 mm apart; designed to replace 3\/8 in drills and other cordless tools; verify dimensions before purchase \u003cbr\u003e\n✅ Notes: confirm shaft length\/diameter and overall dimensions match your replacement motor \u003cbr\u003e \u003cp\u003eDesigned as a power tool\/drill motor, these units can replace motors in many 3\/8 in drills and other cordless outdoor tools. They’re also a solid choice for DIY electronics, robotics, lightweight automations, and hobby projects where compact form plus solid torque matters.\u003c\/p\u003e \u003cp\u003e💡 What is a round-shaft DC motor like RS-550S best used for in hobby projects?\u003c\/p\u003e\n\u003cp\u003eIt’s handy for compact power applications where you need solid torque and speed in a small package.\u003c\/p\u003e\n- Ideal for DIY robotics, RC cars, small automation, and gate-opening setups\n- Works with common 6-20 V power sources; peak performance near 18 V\n- Check shaft size 3.175 mm (1\/8 in) and length ~9 mm (0.35 in) for a proper fit\n- Confirm mounting holes and overall dimensions match your current unit before swap \u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48455923138795,"sku":"VXB0G2ZPCPTW","price":88.88,"currency_code":"USD","in_stock":true}],"url":"https:\/\/vxb.com\/products\/4-pack-18-volt-dc-motors-with-round-shaft-for-diy","provider":"VXB Bearings","version":"1.0","type":"link"}