Product Parameters

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• Bearing number
  New number NU311E
  Old number 32311E
• Boundary dimensions mm
  d 55
  D 120
  B 29
• Weight kg≈ 1.65
• Principal dimensions mm
  F_w 70.5
  r_{s min}³⁾ 2
  r_{1s min}³⁾ 2
• Rated base load KN
  Cr 137
  Cor 143
• Rated base load kgf
  Cr 14000
  Cor 14600
• The allowable speed is 1) min-1
  Grease 5300
  Oil 6300
• Fitting dimension mm
  d_a
  min 64
  d_b
  min -
  d_c
  max 69
  d_d
  min 72
  d_e
  min 80
  D_a
  max 111
  D_b
  max -
  D_b
  min⁴⁾ -
  r_as
  max 2
  r_1as
  max 2