• 幸运28

    25-year production experience

    d:
    D:
    B:
    7900 Series

    7900 Series

    Dimension and Parameters

    Bearing Numbers
    Single row :7907C
    DB :7907DB
    DF :7907DF
    DT :7907DT
    Principal dimensions(mm)
    d :35
    D :55
    B :10
    r(min) :0.6
    r1(min) :0.3
    Basic load ratings(N)
    Cr :12100
    Cor :9150
    Basic load ratings(kgf)
    Cr :1230
    Cor :930
    Value
    fo :15.7
    Limiting Speed (rpm)
    Grease :18000
    Oil :24000
    Distance of action point(mm)
    a :11
    Abutment and fillet dimensions
    da(min) :40
    Da(max) :50
    ra(max) :0.6
    Weight
    (kg) :0.074
    Basic load ratings(duplex bearing) (N)
    Cr :19600
    Cor :18300
    Basic load ratings(duplex bearing) (kgf)
    Cr :2000
    Cor :1860
    Limiting Speed(duplex bearing) (rpm)
    Grease :14000
    Oil :20000
    Distance of action point (duplex bearing)(a0)
    back-to-back arrangement :22.1
    face-to-face arrangement :2.1
    Installation dimensions(duplex bearing)
    db(min) :-
    Db(max) :52.5
    rb(max) :0.3
    幸运28