• 幸运28

    25-year production experience

    d:
    D:
    B:
    7200 Series

    7200 Series

    Dimension and Parameters

    Bearing Numbers
    Single row :7230A
    DB :7230DB
    DF :7230DF
    DT :7230DT
    Principal dimensions(mm)
    d :150
    D :270
    B :45
    r(min) :3
    r1(min) :1.1
    Basic load ratings(N)
    Cr :248000
    Cor :280000
    Basic load ratings(kgf)
    Cr :25300
    Cor :28500
    Value
    fo :15.2
    Limiting Speed (rpm)
    Grease :2000
    Oil :2800
    Distance of action point(mm)
    a :83.1
    Abutment and fillet dimensions
    da(min) :164
    Da(max) :256
    ra(max) :2.5
    Weight
    (kg) :11.2
    Basic load ratings(duplex bearing) (N)
    Cr :405000
    Cor :560000
    Basic load ratings(duplex bearing) (kgf)
    Cr :41000
    Cor :57000
    Limiting Speed(duplex bearing) (rpm)
    Grease :1600
    Oil :2200
    Distance of action point (duplex bearing)(a0)
    back-to-back arrangement :166.3
    face-to-face arrangement :76.3
    Installation dimensions(duplex bearing)
    db(min) :-
    Db(max) :263
    rb(max) :1
    幸运28