• 幸运28

    25-year production experience

    d:
    D:
    B:
    7900 Series

    7900 Series

    Dimension and Parameters

    Bearing Numbers
    Single row :7912A5
    DB :7912DB
    DF :7912DF
    DT :7912DT
    Principal dimensions(mm)
    d :60
    D :85
    B :13
    r(min) :1
    r1(min) :0.6
    Basic load ratings(N)
    Cr :18300
    Cor :17700
    Basic load ratings(kgf)
    Cr :1870
    Cor :1810
    Value
    fo :16.5
    Limiting Speed (rpm)
    Grease :9500
    Oil :13000
    Distance of action point(mm)
    a :23.4
    Abutment and fillet dimensions
    da(min) :66
    Da(max) :79
    ra(max) :1
    Weight
    (kg) :0.197
    Basic load ratings(duplex bearing) (N)
    Cr :29800
    Cor :35500
    Basic load ratings(duplex bearing) (kgf)
    Cr :3050
    Cor :3600
    Limiting Speed(duplex bearing) (rpm)
    Grease :7500
    Oil :10000
    Distance of action point (duplex bearing)(a0)
    back-to-back arrangement :46.8
    face-to-face arrangement :20.8
    Installation dimensions(duplex bearing)
    db(min) :-
    Db(max) :80
    rb(max) :0.6
    幸运28