d 53,975-60,325mm  2,1250-2,3750 in
Product Parameter
  • Basic size of mm
    d 57.15
    D 98.425
    T 21
  • The basic rated load is kN
    trends C 80.9
    static state Co 102
  • Fatigue load limit Pu 11.6
  • Rated rotation speed is r/min
    Refer to the speed 5000
    limit speed 7500
  • quality 0.58
  • model 387A/382/Q
  • series 385
  • Dimensions are mm
    d 57.15
    d1 74.1
    B 21.946
    C 17.826
    r1,2 the min 3.5
    r3,4 the min 0.8
    a 19
  • Shoulder gear and chamfer size mm
    da the max 65
    db the min 68.5
    Da the min 87
    Da the max 93
    Db the min 91
    Ca the min 5
    Cb the min 5
    ra the max 3
    rb the max 0.8
  • Calculation coefficient
    e 0.35
    Y 1.7
    Yo 0.9