YEJMKJ Ratio 5:1 Planetary Gearbox for Nema 23 Stepper Motor 57-67mm Backlash 15 arcmin Input Shaft 21mm 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 = ₩1,460 (2026-07-27 기준)

상품 특징

• Size specifications: Ratio 5:1 Planetary Gearbox for Nema 23/24 Stepper Motor Ø8mm-21mm/Ø38.1mm-2mm/F47.14mm-M4(Compatible shaft length range: 8-21mm), Body length 57-67mm (2.25-2.64in), Input shaft diameter Φ8 mm, Input shaft length 21mm, 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 ≥95%, Nominal output torque 25Nm (3540.3oz·in), Moment permissible torque 50Nm (7080.6oz·in), Nominal input speed 3000rpm, Max. input speed 4000rpm, Radial force 490N, Axial force 460N.
• Performance & Durability: Engineered for precision and endurance, this Nema 24 23 planetary reducer meets the following critical specifications: Noise ≤60db, Waterproof rating IP65, Working temperature -15℃~+80℃, Lifetime 20000H.
• Superior Performance: Durable, quiet, and powerful — this planetary gear for Nema 23/24 handles heavy-duty loads while maintaining reliable, low-maintenance operation for up to 20,000 hours.
• Application scenario: From automated systems to precision tools, this planetary gearbox excels where low speed and high torque are key. Its efficient design ensures reliable, controlled movement in every application.

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