YEJMKJ Ratio 20:1 Planetary Gearbox for Nema 17 Stepper Motor 42-51mm Backlash 20 Arcmi Input Shaft 10.8mm φ5mm Planetary Reducer for 86 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 = ₩1,475 (2026-07-24 기준)

상품 특징

• Size specifications: Ratio 20:1 Planetary Gearbox for Nema 17 Stepper Motor Ø5mm-10mm/Ø22mm-2mm/F31mm-M3(Compatible shaft length range: 5-10.8mm), Body length 42-51mm (1.66-2.01in), Input shaft diameter Φ5 mm, Input shaft length 10.8mm, Output shaft diameter Φ8 mm, Output shaft length 21.5 mm, Installation hole distance 31mm, Weight 235g.
• Characteristics: Nema 17 planetary gearbox, Backlash ≤ 20 Arcmi, Efficiency ≥96%, Nominal output torque 12Nm (1699.34oz·in) , Moment permissible torque 24Nm (3398.69oz·in) , Nominal input speed 1000rpm, Max. input speed 2000rpm, Radial force 300N, Axial force 100N.
• Reliability Parameters: Operating smoothly and durably, this Nema 17 planetary reducer is designed with the following key performance and environmental specifications: Noise ≤55db, Waterproof rating IP54, Lifetime 20000H, Working temperature -10℃~+90℃.
• Superior Performance: Designed for high-performance needs, this planetary gear for Nema 17 provides powerful torque and stable output. Rugged construction and precise engineering ensure durability, while the low-noise design keeps operation smooth and quiet for up to 20,000 hours of service life.
• Application scenario: Perfectly suited for low-speed, high-torque tasks, this planetary gearbox transforms motor speed into powerful torque output. Ideal for CNC machines, robotics, 3D printers, and other automated, it ensures precise control and smooth operation even under heavy load.

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