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Home | Catalogues  | Angular Contact Ball Bearings | Single Row Angular Contact Ball Bearings | 7900 Series

7904DT,7904DB,7904DF,7904C

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7900 Series
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7900 Series

Dimension and Parameters
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7900 Series 7900 Series
7904DT,7904DB,7904DF,7904C
  • Bearing Numbers
  • Single row
    7904C
  • DB
    7904DB
  • DF
    7904DF
  • DT
    7904DT
  • Principal dimensions(mm)
  • d
    20
  • D
    37
  • B
    9
  • r(min)
    0.3
  • r1(min)
    0.15
  • Basic load ratings(N)
  • Cr
    6950
  • Cor
    4250
  • Basic load ratings(kgf)
  • Cr
    710
  • Cor
    430
  • Value
  • fo
    14.9
  • Limiting Speed (rpm)
  • Grease
    28000
  • Oil
    38000
  • Distance of action point(mm)
  • a
    8.3
  • Abutment and fillet dimensions
  • da(min)
    22.5
  • Da(max)
    34.5
  • ra(max)
    0.3
  • Weight
  • (kg)
    0.036
  • Basic load ratings(duplex bearing) (N)
  • Cr
    11300
  • Cor
    8500
  • Basic load ratings(duplex bearing) (kgf)
  • Cr
    1150
  • Cor
    865
  • Limiting Speed(duplex bearing) (rpm)
  • Grease
    22000
  • Oil
    32000
  • Distance of action point (duplex bearing)(a0)
  • back-to-back arrangement
    16.6
  • face-to-face arrangement
    1.4
  • Installation dimensions(duplex bearing)
  • db(min)
    -
  • Db(max)
    35.8
  • rb(max)
    0.15