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7311 BECCM

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    Description

    Angular contact ball bearings, single row

    Dimensions

    d 55 mm
    D 120 mm
    B 29 mm
    d1 ≈ 80.3 mm
    d2 ≈ 66.66 mm
    D1 ≈ 96.6 mm
    a 51 mm
    r1,2 min. 2 mm
    r3,4 min. 1 mm
    Abutment dimensions

    da min. 66 mm
    Da max. 109 mm
    Db max. 114 mm
    ra max. 2 mm
    rb max. 1 mm
    Calculation data

    Basic dynamic load rating C 85 kN
    Basic static load rating C0 60 kN
    Fatigue load limit Pu 2.5 kN
    Reference speed 7000 r/min
    Limiting speed 7000 r/min
    Calculation factor kr 0.1
    Calculation factor ka 1.6
    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 1.4 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.