NTN 4T-30311D bearing

NTN 4T-30311D bearing | Tapered Roller Bearing | 55x120x31.5

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    Tapered roller bearings 4T-30311D

  • Bearing number : 4T-30311D
  • Size (mm) : 55x120x31.5
  • Brand : NTN
  • Bore Diameter (mm) : 55
  • Outer Diameter (mm) : 120
  • Width (mm) : 31,5
  • Bearing dimensions and specification in NTN catalogue:

  • d - 55 mm
  • D - 120 mm
  • T - 31,5 mm
  • B - 29 mm
  • C - 21 mm
  • ra1 max. - 2 mm
  • a - 38 mm
  • r min. - 2,5 mm
  • r1 min. - 2 mm
  • da min. - 67 mm
  • Da min - 94 mm
  • Da max. - 110 mm
  • db max. - 68 mm
  • Db min. - 113 mm
  • ra max. - 2 mm
  • Sa - 4 mm
  • Sb - 10,5 mm
  • Weight - 1,59 Kg
  • Basic dynamic load rating (C) - 132 kN
  • Basic static load rating (C0) - 154 kN
  • (Grease) Lubrication Speed - 2 900 r/min
  • (Oil) Lubrication Speed - 3 800 r/min
  • Calculation factor (e) - 0,83
  • Calculation factor (Y0) - 0,4
  • Calculation factor (Y2) - 0,73

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