31311J2/QDF
SIAIF 31311J2/QDF
Type

Tapered roller bearing

Model：31311J2/QDF
Thickness(mm)：63
Inner diameter d：55
Outer diameter D：120
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Detailed information

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Basic size mm
  • d55
  • D120
  • T63
Basic load rating kN
  • DynamicsC240
  • Static Co275
RatedSpeed r/min
  • Reference speed3400
  • Limit speed5600
Size mm
  • d55
  • 2B58
  • r 3,4 Minimum2
  • r 5 Minimum0.6
Shoulder and chamfer dimensions mm
  • d a Maximum68
  • Da Minimum94
  • Da Maximum112
  • Ca Minimum4
  • r a Maximum2
  • r c Maximum0.6
Calculate coefficient
  • e0.83
  • Y10.81
  • Y21.2
  • Yo0.8
Fatigue load limit Pu
  • Fatigue load limit Pu33.5
Quality
  • Quality3.3
Model
  • Model*31311J2/QDF

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