7900 Series
  • 7900 Series
  • 7900 Series

7900 Series

Dimension and Parameters
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7900 Series 7900 Series
7908C,7908DB,7908DF,7908DT
  • Bearing Numbers
  • Single row
    7908C
  • DB
    7908DB
  • DF
    7908DF
  • DT
    7908DT
  • Principal dimensions(mm)
  • d
    40
  • D
    62
  • B
    12
  • r(min)
    0.6
  • r1(min)
    0.3
  • Basic load ratings(N)
  • Cr
    15100
  • Cor
    11700
  • Basic load ratings(kgf)
  • Cr
    1540
  • Cor
    1200
  • Value
  • fo
    15.7
  • Limiting Speed (rpm)
  • Grease
    16000
  • Oil
    22000
  • Distance of action point(mm)
  • a
    12.8
  • Abutment and fillet dimensions
  • da(min)
    45
  • Da(max)
    57
  • ra(max)
    0.6
  • Weight
  • (kg)
    0.109
  • Basic load ratings(duplex bearing) (N)
  • Cr
    24600
  • Cor
    23500
  • Basic load ratings(duplex bearing) (kgf)
  • Cr
    2510
  • Cor
    2390
  • Limiting Speed(duplex bearing) (rpm)
  • Grease
    13000
  • Oil
    18000
  • Distance of action point (duplex bearing)(a0)
  • back-to-back arrangement
    25.7
  • face-to-face arrangement
    1.7
  • Installation dimensions(duplex bearing)
  • db(min)
    -
  • Db(max)
    59.5
  • rb(max)
    0.3