Single-column sealed deep-groove ball bearings d 50-55mm
Product Parameter
  • Basic size of mm
    d 55
    D 72
    B 9
  • The basic rated load is kN
    trends C 9.04
    static state Co 8.8
  • Fatigue load limit Pu 0.375
  • Rated rotation speed is r/min
    Refer to the speed -
    Limit speed 1) 5300
  • Mass kg 0.083
  • model
    Both sides are sealed 61811-2RS1
    One side is sealed -
  • Dimensions are mm
    d 55
    d1 ~ 60.6
    D2 ~ 68.6
    r1,2 the min 0.3
  • Shoulder gear and chamfer size mm
    da the min 57
    Da the max 70
    ra the max 0.3
  • Calculation coefficient
    kr 0.015
    fo 17