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Cylindrical Roller Bearing
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Dimension and Parameters
  • Pu
    30.5
  • Standard Cages
    2.3
  •  
  • Principal dimensions (mm)
  • d
    55
  • D
    120
  • B
    43
  • Basic load ratings KN
  • dyc Cr
    232
  • stc Cor
    232
  • Speed ratings rpm
  • Speed Ratings
    6000
  • Limiting Speed
    7000
  • Designation
  • Standard Cages
    *NJ2311ECP
  • Other Cages
    ML
  • Dimensions mm
  • d
    55
  • d 1 ~
    77.5
  • D1 ~
    101
  • F,E
    70.5
  • r 1,2 Min
    2
  • r 3,4 Min
    2
  • s 1)
    3.5
  • Abutment and fillet dimensions mm
  • d a Min
    66
  • d a Max
    68
  • d b ,Da Min
    80
  • Da Max
    109
  • r a Max
    2
  • r b Max
    2
  • Value
  • kr
    0.25
  • Angle rings
  • Designation
    HJ2311EC
  • Weight
    0.19
  • Dimension B1
    9
  • Dimension B2
    15.5
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