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Needle roller bearing: Needle roller bearing

Country/Region china
Company Hebei Aoxiang Bearing Manufacturing Co., LTD.
Categories Needle Roller Bearing
ICP License Issued by the Chinese Ministry
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    Needle roller bearing: Needle roller bearing

    A needle roller bearing is a bearing which uses small cylindrical rollers. They are used to reduce friction of a rotating surface.

    Needle bearings have a large surface area that is in contact with the bearing outer surfaces compared to ball bearings. Additionally there is less added clearance (difference between the diameter of the shaft and the diameter of the bearing) so they are much more compact. The typical structure consists of a needle cage which orients and contains the needle rollers, the needle rollers themselves, and an outer race(sometimes housing itself).

    Radial needle bearings are cylindrical and use rollers parallel to the axis of the shaft. Thrust needle bearings are flat and use a radial pattern of needles.

    Full complement bearings have solid inner and outer rings and rib-guided cylindrical rollers. Since these bearings have the largest possible number of rolling elements, they have extremely high radial load carrying capacity and are suitable for particularly compact designs.

    Needle bearings are heavily used in engine components such as rocker arm pivots, pumps, compressors, and transmissions. The drive shaft of a rear-wheel drive vehicle typically has at least 8 needle bearings (4 in each U joint) and often more if it is particularly long, or operates on steep slopes.

    Additional clarification of Needle Roller: According to "Marks' Standard Handbook for Mechanical Engineers", a Needle Bearing is a roller bearing with rollers whose length are at least four times their diameter.

    products:

    HK BK series
    HK. RS HK. 2RS series
    BK. RS series
    NA RNA NK series
    HF FC Series
    HFL FCB series
    K series KZK KBK series
    AXK series AS GS 811 WS811
    NATR NATV. PP series
    NUTR. NUTR X series
    IR IR series
    NKIA NKIB series

    HK Drawn cup needle roller bearings with open ends
    HK-RS Drawn cup needle roller bearings with open ends, two ends with seal ring
    HK-2RS Drawn cup needle roller bearings with open ends, two ends with seal ring
    BK Drawn cup needle roller bearings with closed end
    BK-RS Drawn cup needle roller bearings with closed end, one end with seal ring
    F- Drawn cup needle roller bearings with open ends, full component
    FY-Drawn cup needle roller bearings with open ends, full component greased
    MF- Drawn cup needle roller bearing with closed end, full component
    MFY- Drawn cup needle roller bearing with closed end, full component, greased

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