All Categories
  • Principal dimensions
    (mm)
    d 66.675
    D 112.712
    T 30.162
  • Basic load ratings
    KN
    dyc
    Cr
    123
    stc
    Cor
    183
  • Pu 21.2
  • Speed ratings
    rpm
    Speed Ratings 4300
    Limiting Speed 6000
  • Weight 1.15
  • Designation 3984/2/3920/2/Q
  • Series 3900
  • Dimensions
    mm
    d 66.675
    d1
    87.8
    B 30.048
    C 23.812
    r1,2
    Min
    3.5
    r3,4
    Min
    3.3
    a 25
  • Abutment and fillet dimensions
    mm
    da
    Max
    75
    db
    Min
    78.5
    Da
    Min
    96
    Da
    Max
    101
    Db
    Min
    105
    Ca
    Min
    4
    Cb
    Min
    6
    ra
    Max
    3
    rb
    Max
    3
  • Value
    e 0.4
    Y 1.5
    Yo 0.8