• 幸运28

    25-year production experience

    d:
    D:
    B:
    7300 Series

    7300 Series

    Dimension and Parameters

    Bearing Numbers
    Single row :7319B
    DB :7319DB
    DF :7319DF
    DT :7319DT
    Principal dimensions(mm)
    d :95
    D :200
    B :45
    r(min) :3
    r1(min) :1.1
    Basic load ratings(N)
    Cr :167000
    Cor :149000
    Basic load ratings(kgf)
    Cr :17100
    Cor :15200
    Value
    fo :14.6
    Limiting Speed (rpm)
    Grease :2600
    Oil :3600
    Distance of action point(mm)
    a :84.3
    Abutment and fillet dimensions
    da(min) :109
    Da(max) :186
    ra(max) :2.5
    Weight
    (kg) :5.98
    Basic load ratings(duplex bearing) (N)
    Cr :272000
    Cor :298000
    Basic load ratings(duplex bearing) (kgf)
    Cr :27700
    Cor :30500
    Limiting Speed(duplex bearing) (rpm)
    Grease :2200
    Oil :3000
    Distance of action point (duplex bearing)(a0)
    back-to-back arrangement :168.7
    face-to-face arrangement :78.7
    Installation dimensions(duplex bearing)
    db(min) :102
    Db(max) :193
    rb(max) :1
    幸运28