幸运28

    25-year production experience

    d:
    D:
    B:
    7200 Series

    7200 Series

    Dimension and Parameters

    Bearing Numbers
    Single row :7203B
    DB :7203DB
    DF :7203DF
    DT :7203DT
    Principal dimensions(mm)
    d :17
    D :40
    B :12
    r(min) :0.6
    r1(min) :0.3
    Basic load ratings(N)
    Cr :9950
    Cor :5500
    Basic load ratings(kgf)
    Cr :1010
    Cor :565
    Value
    fo :14.4
    Limiting Speed (rpm)
    Grease :14000
    Oil :19000
    Distance of action point(mm)
    a :18
    Abutment and fillet dimensions
    da(min) :22
    Da(max) :35
    ra(max) :0.6
    Weight
    (kg) :0.068
    Basic load ratings(duplex bearing) (N)
    Cr :16100
    Cor :11000
    Basic load ratings(duplex bearing) (kgf)
    Cr :1650
    Cor :1130
    Limiting Speed(duplex bearing) (rpm)
    Grease :11000
    Oil :15000
    Distance of action point (duplex bearing)(a0)
    back-to-back arrangement :35.9
    face-to-face arrangement :11.9
    Installation dimensions(duplex bearing)
    db(min) :19.5
    Db(max) :37.6
    rb(max) :0.3
    幸运28