Single row sealed deep groove ball bearings d 15-17mm
Product Parameter
  • Basic size of mm
    d 17
    D 30
    B 7
  • The basic rated load is kN
    trends C 4.62
    static state Co 2.55
  • Fatigue load limit Pu 0.108
  • Rated rotation speed is r/min
    Refer to the speed 50000
    Limit speed 1) 26000
  • Mass kg 0.018
  • model
    Both sides are sealed 61903-2Z
    One side is sealed -
  • Dimensions are mm
    d 17
    d1 ~ 20.4
    d2 ~ -
    D2 ~ 27.8
    r1,2 the min 0.3
  • Shoulder gear and chamfer size mm
    da the min 19
    da the max -
    Da the max 28
    ra the max 0.3
  • Calculation coefficient
    kr 0.02
    fo 15