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NK 21/20

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    Description

    Needle roller bearings, with machined rings, without an inner ring

    Dimensions

    Fw 21 mm
    D 29 mm
    C 20 mm
    r1,2 min. 0.3 mm
    Abutment dimensions

    Da max. 27 mm
    ra max. 0.3 mm
    Calculation data

    Basic dynamic load rating C 17.2 kN
    Basic static load rating C0 27 kN
    Fatigue load limit Pu 3.35 kN
    Reference speed 19000 r/min
    Limiting speed 22000 r/min
    Mass

    Mass bearing 0.035 kg
    Associated products

    Radial shaft seal with a low cross-sectional height, single lip

    For additional information about the meaning and limitations of the product data, refer to Needle roller bearings with machined rings and Principles of bearing selection and application.