7900 Series
  • 7900 Series
  • 7900 Series

7900 Series

Dimension and Parameters
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7900 Series 7900 Series
7909DT,7909DF,7909DB,7909A5
  • Bearing Numbers
  • Single row
    7909A5
  • DB
    7909DB
  • DF
    7909DF
  • DT
    7909DT
  • Principal dimensions(mm)
  • d
    45
  • D
    68
  • B
    12
  • r(min)
    0.6
  • r1(min)
    0.3
  • Basic load ratings(N)
  • Cr
    15100
  • Cor
    12700
  • Basic load ratings(kgf)
  • Cr
    1540
  • Cor
    1290
  • Value
  • fo
    16.2
  • Limiting Speed (rpm)
  • Grease
    12000
  • Oil
    17000
  • Distance of action point(mm)
  • a
    19.2
  • Abutment and fillet dimensions
  • da(min)
    50
  • Da(max)
    63
  • ra(max)
    0.6
  • Weight
  • (kg)
    0.13
  • Basic load ratings(duplex bearing) (N)
  • Cr
    24600
  • Cor
    25400
  • Basic load ratings(duplex bearing) (kgf)
  • Cr
    2510
  • Cor
    2590
  • Limiting Speed(duplex bearing) (rpm)
  • Grease
    9500
  • Oil
    13000
  • Distance of action point (duplex bearing)(a0)
  • back-to-back arrangement
    38.4
  • face-to-face arrangement
    14.4
  • Installation dimensions(duplex bearing)
  • db(min)
    -
  • Db(max)
    65.5
  • rb(max)
    0.3