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7221 BEP

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    Description

    Angular contact ball bearings, single row

    Dimensions

    d 105 mm
    D 190 mm
    B 36 mm
    d1 ≈ 137.95 mm
    d2 ≈ 121.17 mm
    D1 ≈ 159.1 mm
    a 80 mm
    r1,2 min. 2.1 mm
    r3,4 min. 1.1 mm
    Abutment dimensions

    da min. 117 mm
    Da max. 178 mm
    Db max. 183 mm
    ra max. 2 mm
    rb max. 1 mm
    Calculation data

    Basic dynamic load rating C 148 kN
    Basic static load rating C0 137 kN
    Fatigue load limit Pu 4.8 kN
    Reference speed 3800 r/min
    Limiting speed 3800 r/min
    Calculation factor kr 0.095
    Calculation factor ka 1.4
    Calculation factor e 1.14
    Single bearing or bearing pair arranged in tandem
    Calculation factor X 0.35
    Calculation factor Y0 0.26
    Calculation factor Y2 0.57
    Bearing pair arranged back-to-back or face-to-face
    Calculation factor X 0.57
    Calculation factor Y0 0.52
    Calculation factor Y1 0.55
    Calculation factor Y2 0.93
    Mass

    Mass bearing 3.95 kg

    For additional information about the meaning and limitations of the product data, refer to Single row angular contact ball bearings and Principles of bearing selection and application.