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Cylindrical Roller Bearing
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Dimension and Parameters
  • Pu
    57
  • Standard Cages
    9
  •  
  • Principal dimensions (mm)
  • d
    105
  • D
    225
  • B
    49
  • Basic load ratings KN
  • dyc Cr
    500
  • stc Cor
    500
  • Speed ratings rpm
  • Speed Ratings
    3200
  • Limiting Speed
    3800
  • Designation
  • Standard Cages
    *NJ321ECJ
  • Other Cages
    ML
  • Dimensions mm
  • d
    105
  • d 1 ~
    145
  • D1 ~
    190
  • F,E
    133
  • r 1,2 Min
    3
  • r 3,4 Min
    3
  • s 1)
    3.4
  • Abutment and fillet dimensions mm
  • d a Min
    119
  • d a Max
    130
  • d b ,Da Min
    148
  • Da Max
    211
  • r a Max
    2.5
  • r b Max
    2.5
  • Value
  • kr
    0.15
  • Angle rings
  • Designation
    -
  • Weight
  • Dimension B1
  • Dimension B2
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