NTN 4T-30209 bearing

NTN 4T-30209 bearing | Tapered Roller Bearing | 45x85x20.75

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    Tapered roller bearings 4T-30209

  • Bearing number : 4T-30209
  • Size (mm) : 45x85x20.75
  • Brand : NTN
  • Bore Diameter (mm) : 45
  • Outer Diameter (mm) : 85
  • Width (mm) : 20,75
  • Bearing dimensions and specification in NTN catalogue:

  • d - 45 mm
  • D - 85 mm
  • T - 20,75 mm
  • B - 19 mm
  • C - 16 mm
  • ra1 max. - 1,5 mm
  • a - 18 mm
  • r min. - 1,5 mm
  • r1 min. - 1,5 mm
  • da min. - 53,5 mm
  • Da min - 74 mm
  • Da max. - 76,5 mm
  • db max. - 54 mm
  • Db min. - 80 mm
  • ra max. - 1,5 mm
  • Sa - 3 mm
  • Sb - 4,5 mm
  • Weight - 0,495 Kg
  • Basic dynamic load rating (C) - 67,5 kN
  • Basic static load rating (C0) - 78,5 kN
  • (Grease) Lubrication Speed - 4 400 r/min
  • (Oil) Lubrication Speed - 5 900 r/min
  • Calculation factor (e) - 0,4
  • Calculation factor (Y0) - 0,81
  • Calculation factor (Y2) - 1,48

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