Single-column sealed deep-groove ball bearings d 50-55mm
Product Parameter
  • Basic size of mm
    d 55
    D 120
    B 29
  • The basic rated load is kN
    trends C 74.1
    static state Co 45
  • Fatigue load limit Pu 1.9
  • Rated rotation speed is r/min
    Refer to the speed 12000
    Limit speed 1) 6300
  • Mass kg 1.35
  • model
    Both sides are sealed *6311-2Z
    One side is sealed *6311-Z
  • Dimensions are mm
    d 55
    d1 ~ 75.3
    D2 ~ 104
    r1,2 the min 2
  • Shoulder gear and chamfer size mm
    da the min 66
    Da the max 109
    ra the max 2
  • Calculation coefficient
    kr 0.03
    fo 13