• 幸运28

    25-year production experience

    d:
    D:
    B:
    7300 Series

    7300 Series

    Dimension and Parameters

    Bearing Numbers
    Single row :7318A
    DB :7318DB
    DF :7318DF
    DT :7318DT
    Principal dimensions(mm)
    d :90
    D :190
    B :43
    r(min) :3
    r1(min) :1.1
    Basic load ratings(N)
    Cr :171000
    Cor :147000
    Basic load ratings(kgf)
    Cr :17400
    Cor :15000
    Value
    fo :14.1
    Limiting Speed (rpm)
    Grease :3200
    Oil :4300
    Distance of action point(mm)
    a :61.9
    Abutment and fillet dimensions
    da(min) :104
    Da(max) :176
    ra(max) :2.5
    Weight
    (kg) :5.06
    Basic load ratings(duplex bearing) (N)
    Cr :277000
    Cor :294000
    Basic load ratings(duplex bearing) (kgf)
    Cr :28300
    Cor :30000
    Limiting Speed(duplex bearing) (rpm)
    Grease :2600
    Oil :3400
    Distance of action point (duplex bearing)(a0)
    back-to-back arrangement :123.8
    face-to-face arrangement :37.8
    Installation dimensions(duplex bearing)
    db(min) :97
    Db(max) :183
    rb(max) :1
    幸运28