d 260-380mm
Product Parameter
  • Basic size of mm
    d 280
    D 500
    B 80
  • The basic rated load is kN
    trends C 1140
    static state Co 1700
  • Fatigue load limit Pu 153
  • Rated rotation speed is r/min
    Refer to the speed 1400
    limit speed 1900
  • quality 73
  • model NJ256MA
  • Dimensions are mm
    d 280
    d1 360
    D1 ~ 417
    F,E 340
    r1,2 the min 5
    r3,4 the min 5
    s1) 3.8
  • Shoulder gear and chamfer size mm
    da the min 300
    da the max 333
    db,Da the min 364
    Da the max 480
    ra the max 4
    rb the max 4
  • Calculation coefficient
    kr 0.15
  • Corner circle
    model -
    quality -
    Size B1 -
    Size B2 -