幸运28

    25-year production experience

    d:
    D:
    B:
    7300 Series

    7300 Series

    Dimension and Parameters

    Bearing Numbers
    Single row :7307B
    DB :7307DB
    DF :7307DF
    DT :7307DT
    Principal dimensions(mm)
    d :35
    D :80
    B :21
    r(min) :1.5
    r1(min) :1
    Basic load ratings(N)
    Cr :36500
    Cor :24200
    Basic load ratings(kgf)
    Cr :3750
    Cor :2460
    Value
    fo :14.7
    Limiting Speed (rpm)
    Grease :7100
    Oil :9500
    Distance of action point(mm)
    a :34.6
    Abutment and fillet dimensions
    da(min) :44
    Da(max) :71
    ra(max) :1.5
    Weight
    (kg) :0.474
    Basic load ratings(duplex bearing) (N)
    Cr :59500
    Cor :48500
    Basic load ratings(duplex bearing) (kgf)
    Cr :6100
    Cor :4950
    Limiting Speed(duplex bearing) (rpm)
    Grease :5600
    Oil :7500
    Distance of action point (duplex bearing)(a0)
    back-to-back arrangement :69.2
    face-to-face arrangement :27.2
    Installation dimensions(duplex bearing)
    db(min) :41
    Db(max) :74
    rb(max) :1
    幸运28