• 幸运28

    25-year production experience

    d:
    D:
    B:
    7300 Series

    7300 Series

    Dimension and Parameters

    Bearing Numbers
    Single row :7330A
    DB :7330DB
    DF :7330DF
    DT :7330DT
    Principal dimensions(mm)
    d :150
    D :320
    B :65
    r(min) :4
    r1(min) :1.5
    Basic load ratings(N)
    Cr :315000
    Cor :370000
    Basic load ratings(kgf)
    Cr :32500
    Cor :38000
    Value
    fo :14.5
    Limiting Speed (rpm)
    Grease :1800
    Oil :2400
    Distance of action point(mm)
    a :100.3
    Abutment and fillet dimensions
    da(min) :168
    Da(max) :302
    ra(max) :3
    Weight
    (kg) :26
    Basic load ratings(duplex bearing) (N)
    Cr :515000
    Cor :745000
    Basic load ratings(duplex bearing) (kgf)
    Cr :52500
    Cor :75500
    Limiting Speed(duplex bearing) (rpm)
    Grease :1500
    Oil :1900
    Distance of action point (duplex bearing)(a0)
    back-to-back arrangement :200.7
    face-to-face arrangement :70.7
    Installation dimensions(duplex bearing)
    db(min) :-
    Db(max) :311
    rb(max) :1.5
    幸运28