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

7903DT,7903DB,7903DF,7903A5

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7900 Series
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7900 Series

Dimension and Parameters
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7900 Series 7900 Series
7903DT,7903DB,7903DF,7903A5
  • Bearing Numbers
  • Single row
    7903A5
  • DB
    7903DB
  • DF
    7903DF
  • DT
    7903DT
  • Principal dimensions(mm)
  • d
    17
  • D
    30
  • B
    7
  • r(min)
    0.3
  • r1(min)
    0.15
  • Basic load ratings(N)
  • Cr
    4750
  • Cor
    2800
  • Basic load ratings(kgf)
  • Cr
    485
  • Cor
    286
  • Value
  • fo
    15.1
  • Limiting Speed (rpm)
  • Grease
    30000
  • Oil
    40000
  • Distance of action point(mm)
  • a
    9
  • Abutment and fillet dimensions
  • da(min)
    19.5
  • Da(max)
    27.5
  • ra(max)
    0.3
  • Weight
  • (kg)
    0.017
  • Basic load ratings(duplex bearing) (N)
  • Cr
    7750
  • Cor
    5600
  • Basic load ratings(duplex bearing) (kgf)
  • Cr
    790
  • Cor
    570
  • Limiting Speed(duplex bearing) (rpm)
  • Grease
    24000
  • Oil
    32000
  • Distance of action point (duplex bearing)(a0)
  • back-to-back arrangement
    18
  • face-to-face arrangement
    4
  • Installation dimensions(duplex bearing)
  • db(min)
    -
  • Db(max)
    28.8
  • rb(max)
    0.15