• 幸运28

    25-year production experience

    d:
    D:
    B:
    7200 Series

    7200 Series

    Dimension and Parameters

    Bearing Numbers
    Single row :7204B
    DB :7204DB
    DF :7204DF
    DT :7204DT
    Principal dimensions(mm)
    d :20
    D :47
    B :14
    r(min) :1
    r1(min) :0.6
    Basic load ratings(N)
    Cr :13300
    Cor :7650
    Basic load ratings(kgf)
    Cr :1360
    Cor :780
    Value
    fo :14.4
    Limiting Speed (rpm)
    Grease :12000
    Oil :16000
    Distance of action point(mm)
    a :21.1
    Abutment and fillet dimensions
    da(min) :26
    Da(max) :41
    ra(max) :1
    Weight
    (kg) :0.109
    Basic load ratings(duplex bearing) (N)
    Cr :21600
    Cor :15300
    Basic load ratings(duplex bearing) (kgf)
    Cr :2210
    Cor :1560
    Limiting Speed(duplex bearing) (rpm)
    Grease :9500
    Oil :13000
    Distance of action point (duplex bearing)(a0)
    back-to-back arrangement :42.1
    face-to-face arrangement :14.1
    Installation dimensions(duplex bearing)
    db(min) :25
    Db(max) :42
    rb(max) :0.6
    幸运28