YEJMKJ Ratio 20:1 Planetary Gearbox for Nema 23 Stepper Motor 60-90mm Backlash 15 arcmin Input Shaft 31mm φ8mm Planetary Reducer for 57 Step Motor incl. 4 Screw 2 Plug 1 Key CNC 3D Printer Lathe

아마존 달러(USD) 가격을 각 날짜의 환율로 원화 환산해 표시합니다. 현재 환율 $1 = ₩1,463 (2026-07-25 기준)

상품 특징

• Size specifications: Ratio 20:1 Planetary Gearbox for Nema 23/24 Stepper Motor Ø8mm-31mm/Ø38mm-4.5mm/F47.14mm-M4 (Compatible with shaft length s ranging from 13 to 31 mm), Body length 60-90mm (2.37-3.55in), Input shaft diameter Φ8 mm, Input shaft length 31mm, Output shaft diameter Φ14 mm, Output shaft length 35 mm, Installation hole distance 47.14mm, Weight 235g.
• Characteristics: Nema 23 planetary gearbox, Backlash ≤ 15 arcmin, Efficiency 94%, Nominal output torque 30Nm (4248.36oz·in), Moment permissible torque 60Nm (8496.71oz·in), Nominal input speed 3000RPM, Max. input speed 6000RPM, Radial force 400N, Axial force 230N.
• Reliability Specifications: Operating smoothly and durably, this Nema24 23 planetary reducer is designed with the following key performance and environmental specifications: Noise ≤65dB, Waterproof rating IP54, Lifetime 20000H, Working temperature -20℃ ～+150℃ [-4°F～302°F].
• Application scenario: This planetary gearbox is the perfect solution for applications requiring reduced rotational speed without compromising on torque. By efficiently converting motor speed into massive torque output, it enables stable, controlled motion for equipment such as CNC machines, robotics, 3D printers, and automated machinery. Whether you need precise positioning or smooth heavy-duty operation, it delivers consistent power with remarkable efficiency.
• Superior Performance: Engineered for demanding applications, this planetary gear for Nema 23/24 delivers strong torque output for reliable performance under heavy loads. Built with quality materials and precision-crafted gears, it offers long-lasting durability and consistent operation, with a service life of up to 20,000 hours. The optimized design reduces wear and ensures smooth, quiet performance — ideal for noise-sensitive environments.

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