d 260-380mm
Product Parameter
  • Basic size of mm
    d 280
    D 500
    B 130
  • The basic rated load is kN
    trends C 2200
    static state Co 3250
  • Fatigue load limit Pu 285
  • Rated rotation speed is r/min
    Refer to the speed 1200
    limit speed 1900
  • quality 115
  • model NU2256ECMA
  • Dimensions are mm
    d 280
    d1 350
    D1 ~ 433
    F,E 327
    r1,2 the min 5
    r3,4 the min 5
    s1) 10.2
  • Shoulder gear and chamfer size mm
    da the min 300
    da the max 320
    db,Da the min 331
    Da the max 480
    ra the max 4
    rb the max 4
  • Calculation coefficient
    kr 0.2
  • Corner circle
    model HJ2256EC
    quality 6.75
    Size B1 18
    Size B2 38