All Categories
  • Principal dimensions
    (mm)
    d 105
    D 190
    B 36
  • Basic load ratings
    KN
    dyc
    Cr
    148
    stc
    Cor
    137
  • Pu 4.8
  • Speed ratings
    rpm
    Speed Ratings 3800
    Limiting Speed 4000
  • Weight
    kg
    4.18
  • Designation1)
    Universal matched bearing 7221BECBM
    Basic design bearings -
  • Dimensions
    mm
    d 105
    d1
    138
    d2
    121.2
    D1
    159.1
    r1,2
    Min
    2.1
    r3,4
    Min
    1.1
    a 80
  • Abutment and fillet dimensions
    mm
    da
    Min
    117
    Da
    Max
    178
    Db
    Max
    183
    ra
    Max
    2
    rb
    Max
    1