7300 Series
  • 7300 Series
  • 7300 Series

7300 Series

Dimension and Parameters
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7300 Series 7300 Series
7311DT,7311DF,7311DB,7311B
  • Bearing Numbers
  • Single row
    7311B
  • DB
    7311DB
  • DF
    7311DF
  • DT
    7311DT
  • Principal dimensions(mm)
  • d
    55
  • D
    120
  • B
    29
  • r(min)
    2
  • r1(min)
    1
  • Basic load ratings(N)
  • Cr
    79000
  • Cor
    56500
  • Basic load ratings(kgf)
  • Cr
    8050
  • Cor
    5750
  • Value
  • fo
    14.4
  • Limiting Speed (rpm)
  • Grease
    4500
  • Oil
    6300
  • Distance of action point(mm)
  • a
    51.2
  • Abutment and fillet dimensions
  • da(min)
    65
  • Da(max)
    110
  • ra(max)
    2
  • Weight
  • (kg)
    1.45
  • Basic load ratings(duplex bearing) (N)
  • Cr
    128000
  • Cor
    113000
  • Basic load ratings(duplex bearing) (kgf)
  • Cr
    13100
  • Cor
    11500
  • Limiting Speed(duplex bearing) (rpm)
  • Grease
    3600
  • Oil
    5000
  • Distance of action point (duplex bearing)(a0)
  • back-to-back arrangement
    102.4
  • face-to-face arrangement
    44.4
  • Installation dimensions(duplex bearing)
  • db(min)
    61
  • Db(max)
    114
  • rb(max)
    1