• 幸运28

    25-year production experience

    d:
    D:
    B:
    7300 Series

    7300 Series

    Dimension and Parameters

    Bearing Numbers
    Single row :7340A
    DB :7340DB
    DF :7340DF
    DT :7340DT
    Principal dimensions(mm)
    d :200
    D :420
    B :80
    r(min) :6
    r1(min) :2
    Basic load ratings(N)
    Cr :475000
    Cor :660000
    Basic load ratings(kgf)
    Cr :48500
    Cor :67000
    Value
    fo :14.5
    Limiting Speed (rpm)
    Grease :1300
    Oil :1800
    Distance of action point(mm)
    a :129.5
    Abutment and fillet dimensions
    da(min) :222
    Da(max) :398
    ra(max) :4
    Weight
    (kg) :54.4
    Basic load ratings(duplex bearing) (N)
    Cr :770000
    Cor :1320000
    Basic load ratings(duplex bearing) (kgf)
    Cr :78500
    Cor :134000
    Limiting Speed(duplex bearing) (rpm)
    Grease :1100
    Oil :1400
    Distance of action point (duplex bearing)(a0)
    back-to-back arrangement :259
    face-to-face arrangement :99
    Installation dimensions(duplex bearing)
    db(min) :-
    Db(max) :410
    rb(max) :2
    幸运28