d 400-800mm
Product Parameter
  • Basic size of mm
    d 630
    D 920
    B 170
  • The basic rated load is kN
    trends C 4730
    static state Co 9500
  • Fatigue load limit Pu 670
  • Rated rotation speed is r/min
    Refer to the speed 560
    limit speed 850
  • quality 400
  • model NU20/630ECMA
  • Dimensions are mm
    d 630
    d1 -
    D1 ~ 832
    F,E 699
    r1,2 the min 7.5
    r3,4 the min 7.5
    s1) 8.7
  • Shoulder gear and chamfer size mm
    da the min 658
    da the max 690
    db,Da the min 705
    Da the max 892
    ra the max 6
    rb the max 6
  • Calculation coefficient
    kr 0.14
  • Corner circle
    model -
    quality -
    Size B1 -
    Size B2 -