• 幸运28

    25-year production experience

    d:
    D:
    B:
    7300 Series

    7300 Series

    Dimension and Parameters

    Bearing Numbers
    Single row :7303A
    DB :7303DB
    DF :7303DF
    DT :7303DT
    Principal dimensions(mm)
    d :17
    D :47
    B :14
    r(min) :1
    r1(min) :0.6
    Basic load ratings(N)
    Cr :15900
    Cor :8650
    Basic load ratings(kgf)
    Cr :1630
    Cor :880
    Value
    fo :13.1
    Limiting Speed (rpm)
    Grease :14000
    Oil :19000
    Distance of action point(mm)
    a :16.2
    Abutment and fillet dimensions
    da(min) :23
    Da(max) :41
    ra(max) :1
    Weight
    (kg) :0.116
    Basic load ratings(duplex bearing) (N)
    Cr :25900
    Cor :17300
    Basic load ratings(duplex bearing) (kgf)
    Cr :2640
    Cor :1760
    Limiting Speed(duplex bearing) (rpm)
    Grease :11000
    Oil :15000
    Distance of action point (duplex bearing)(a0)
    back-to-back arrangement :32.5
    face-to-face arrangement :4.5
    Installation dimensions(duplex bearing)
    db(min) :22
    Db(max) :42
    rb(max) :0.6
    幸运28