Stainless steel deep trench ball bearings d 1.5-7mm
Product Parameter
  • Basic size of mm
    d 3
    D 7
    B 3
  • The basic rated load is kN
    trends C 0.216
    static state Co 0.085
  • Fatigue load limit Pu 0.0036
  • Rated rotation speed is r/min
    Refer to the speed 160000
    limit speed 80000
  • Mass kg 0.00045
  • model W638/3-2Z
  • Dimensions are mm
    d 3
    d1 ~ 3.9
    D1 ~ 6.4
    r1,2 the min 0.1
  • Shoulder gear and chamfer size mm
    da the min 3.6
    Da the max 6.4
    ra the max 0.1
  • Calculation coefficient
    kr 0.015
    fo 11