The drawn cup needle clutch HF, HFZ series is composed of thin wall punched outer ring and plastic retainer. There is a clamping slope which holds the needles tightly on the in radius surface of the alloy steel punched out ring. The abrasion resistance and load capacity is greatly increased after special heat treatment .Mental springs are fitted on the plastic retainer which keeps the correct movement of the needles while the needles are used as clamping unit at the same   time.

    Though fitting DH drawn cup needle roller bearing HK, SCE series of the same diameter on the two sides of drawn cup needle clutch, better supporting rigidity and rotation characteristics are achieved

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