7900 Series
  • 7900 Series
  • 7900 Series

7900 Series

Dimension and Parameters
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7900 Series 7900 Series
7918A5,7918DB,7918DF,7918DT
  • Bearing Numbers
  • Single row
    7918A5
  • DB
    7918DB
  • DF
    7918DF
  • DT
    7918DT
  • Principal dimensions(mm)
  • d
    90
  • D
    125
  • B
    18
  • r(min)
    1.1
  • r1(min)
    0.6
  • Basic load ratings(N)
  • Cr
    39500
  • Cor
    43500
  • Basic load ratings(kgf)
  • Cr
    4000
  • Cor
    4450
  • Value
  • fo
    16.4
  • Limiting Speed (rpm)
  • Grease
    6300
  • Oil
    8500
  • Distance of action point(mm)
  • a
    34.1
  • Abutment and fillet dimensions
  • da(min)
    97
  • Da(max)
    118
  • ra(max)
    1
  • Weight
  • (kg)
    0.56
  • Basic load ratings(duplex bearing) (N)
  • Cr
    64000
  • Cor
    87000
  • Basic load ratings(duplex bearing) (kgf)
  • Cr
    6500
  • Cor
    8900
  • Limiting Speed(duplex bearing) (rpm)
  • Grease
    5000
  • Oil
    7100
  • Distance of action point (duplex bearing)(a0)
  • back-to-back arrangement
    68.1
  • face-to-face arrangement
    32.1
  • Installation dimensions(duplex bearing)
  • db(min)
    -
  • Db(max)
    120
  • rb(max)
    0.6