d 105-240mm
Product Parameter
  • Basic size of mm
    d 105
    D 190
    B 36
  • The basic rated load is kN
    trends C 148
    static state Co 137
  • Fatigue load limit Pu 4.8
  • Rated rotation speed is r/min
    Refer to the speed 3800
    limit speed 4000
  • Mass kg 4.18
  • Model number 1)
    General distribution bearings 7221BECBM
    Basic design bearings -
  • Dimensions are mm
    d 105
    d1 ~ 138
    d2 ~ 121.2
    D1 ~ 159.1
    r1,2 the min 2.1
    r3,4 the min 1.1
    a 80
  • Shoulder gear and chamfer size mm
    da the min 117
    Da the max 178
    Db the max 183
    ra the max 2
    rb the max 1