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    Universal Joint Coupling, 120mm

    Cheap price universal joint coupling with bore 120mm, flexibility is 80mm, nominal torque 2.5Nm, the axis chamfer from 0-25°. The high-precision universal coupling is widely used in metallurgical machinery, heavy machinery, petroleum machinery, engineering machinery and other industries.
    SKU: ATO-UJC-120
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    Delivery date: 10-12 days

    Lower cost universal joint shaft coupling comes with shaft hole diameter D1 120mm, outer diameter 70mm. The compact universal joint shaft coupling has the advantages of high accuracy, high precision and long service life.


    • The structure is reasonable, the use is safe and reliable, and the integral fork head is adopted, which eliminates the weak link of the bolt pressing the bearing seat (cover), and completely avoids the common vicious damage caused by the loosening or breaking of the bolts.
    • The service life is 30%-50% higher than other types of couplings.
    • High carrying capacity.
    • The transmission efficiency is high, the transmission efficiency is as high as 98.7%-99.9%, and the energy saving is remarkable when used in high-power transmission, which can reduce power consumption by 5%-15%.
    • The transmission is stable and the noise is low, the general noise is 30-40dB(A).


    • Model: ATO-SWC-120BH
    • Nominal torque: 2.5 KNm
    • Bore: 120mm
    • Shaft hole diameter D1: 120 mm
    • Shaft bore D2: 120 mm
    • Outer diameter: 70 mm
    • Overall length: 485 mm
    • Fatigue torque: 1.25 KNm
    • Maximum axis knuckle: ≤25°
    • Flexibility: 80 mm


    Universal joint coupling dimension

    Lmin D1 D2 D3 Lm n-d K t
    485mm 102mm 75mm 70mm 65mm 8-φ11 8mm 2.5mm


    Universal joint coupling application

    Tips: What is the use of universal coupling?

    A universal coupling is a linkage or joint between two shafts, for example, a driving shaft and a driven shaft, which permits rotation of the shafts when their axes do not coincide. Such couplings are very widely used, for example, in machine tools, instruments, control devices, and automobiles.

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