YEJMKJ Ratio 20:1 Planetary Gearbox for Nema 23 Stepper Motor 57-83mm Backlash 20 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 = ₩1,467 (2026-07-28 기준)

상품 특징

• Size specifications: Ratio 20:1 Planetary Gearbox for Nema 23/24 Stepper Motor Ø8mm-21mm/Ø38.1mm-2mm/F47.14mm-M4(Compatible shaft length range: 8-21mm), Body length 57-83mm (2.25-3.27in), 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.
• Performance Data: Nema 23 planetary gearbox, Backlash ≤ 20 Arcmi, Efficiency ≥95%, Nominal output torque 35Nm (4956.42oz·in), Moment permissible torque 70Nm (9912.83oz·in), Nominal input speed 1000rpm, Max. input speed 2000rpm, Radial force 490N, Axial force 460N.
• Reliability Parameters: Operating smoothly and durably, this Nema 24 23 planetary reducer is designed with the following key performance and environmental specifications: Noise ≤60db, Waterproof rating IP65, Lifetime 20000H, Working temperature -15℃~+80℃.
• Exceptional Performance: Engineered for strength and precision, this planetary gear for Nema 23/24 ensures powerful torque transfer with reduced wear. The optimized structure delivers quiet, efficient performance, lasting up to 20,000 hours.
• Application scenario: This planetary gearbox is the go-to solution for heavy-duty, low-speed applications. It transforms motor speed into torque-rich, stable movement perfect for precision work.

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