7300 Series

Dimension and Parameters
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7300 Series 7300 Series
7304DF,7304DT,7304B,7304DB
  • Bearing Numbers
  • Single row
    7304B
  • DB
    7304DB
  • DF
    7304DF
  • DT
    7304DT
  • Principal dimensions(mm)
  • d
    20
  • D
    52
  • B
    15
  • r(min)
    1.1
  • r1(min)
    0.6
  • Basic load ratings(N)
  • Cr
    17300
  • Cor
    9650
  • Basic load ratings(kgf)
  • Cr
    1770
  • Cor
    985
  • Value
  • fo
    13.9
  • Limiting Speed (rpm)
  • Grease
    11000
  • Oil
    15000
  • Distance of action point(mm)
  • a
    22.6
  • Abutment and fillet dimensions
  • da(min)
    27
  • Da(max)
    45
  • ra(max)
    1
  • Weight
  • (kg)
    0.15
  • Basic load ratings(duplex bearing) (N)
  • Cr
    28200
  • Cor
    19300
  • Basic load ratings(duplex bearing) (kgf)
  • Cr
    2870
  • Cor
    1970
  • Limiting Speed(duplex bearing) (rpm)
  • Grease
    9000
  • Oil
    12000
  • Distance of action point (duplex bearing)(a0)
  • back-to-back arrangement
    45.2
  • face-to-face arrangement
    15.2
  • Installation dimensions(duplex bearing)
  • db(min)
    25
  • Db(max)
    47
  • rb(max)
    0.6