7900 Series

Dimension and Parameters
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7900 Series 7900 Series
7901DT,7901DB,7901DF,7901C
  • Bearing Numbers
  • Single row
    7901C
  • DB
    7901DB
  • DF
    7901DF
  • DT
    7901DT
  • Principal dimensions(mm)
  • d
    12
  • D
    24
  • B
    6
  • r(min)
    0.3
  • r1(min)
    0.15
  • Basic load ratings(N)
  • Cr
    3350
  • Cor
    1860
  • Basic load ratings(kgf)
  • Cr
    340
  • Cor
    189
  • Value
  • fo
    14.7
  • Limiting Speed (rpm)
  • Grease
    45000
  • Oil
    63000
  • Distance of action point(mm)
  • a
    5.4
  • Abutment and fillet dimensions
  • da(min)
    14.5
  • Da(max)
    21.5
  • ra(max)
    0.3
  • Weight
  • (kg)
    0.011
  • Basic load ratings(duplex bearing) (N)
  • Cr
    5450
  • Cor
    3700
  • Basic load ratings(duplex bearing) (kgf)
  • Cr
    555
  • Cor
    380
  • Limiting Speed(duplex bearing) (rpm)
  • Grease
    36000
  • Oil
    50000
  • Distance of action point (duplex bearing)(a0)
  • back-to-back arrangement
    10.8
  • face-to-face arrangement
    1.2
  • Installation dimensions(duplex bearing)
  • db(min)
    -
  • Db(max)
    22.8
  • rb(max)
    0.15