d 400-800mm
Product Parameter
  • Basic size of mm
    d 670
    D 980
    B 180
  • The basic rated load is kN
    trends C 5390
    static state Co 11000
  • Fatigue load limit Pu 750
  • Rated rotation speed is r/min
    Refer to the speed 500
    limit speed 800
  • quality 480
  • model NU20/670ECMA
  • Dimensions are mm
    d 670
    d1 -
    D1 ~ 890
    F,E 746
    r1,2 the min 7.5
    r3,4 the min 7.5
    s1) 7
  • Shoulder gear and chamfer size mm
    da the min 698
    da the max 736
    db,Da the min 752
    Da the max 952
    ra the max 6
    rb the max 6
  • Calculation coefficient
    kr 0.14
  • Corner circle
    model -
    quality -
    Size B1 -
    Size B2 -