NU311ECP
Type

Cylindrical roller bearing

Model:NU311ECP
Thickness(mm):29
Inner diameter d:55
Outer diameter D:120

Detailed information

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Basic size mm
  • d55
  • D120
  • B29
Basic load rating kN
  • DynamicsC156
  • Static Co143
RatedSpeed r/min
  • Reference speed6000
  • Limit speed7000
Model
  • standardCage*NU311ECP
  • otherCage1)J,M,ML
Size mm
  • d55
  • d 1 ~77.5
  • D1 ~101
  • F,E70.5
  • r 1,2 Minimum2
  • r 3,4 Minimum2
  • s 1) 2
Shoulder and chamfer dimensions mm
  • d a Minimum66
  • d a Maximum68
  • d b ,Da Minimum73
  • Da Maximum109
  • r a Maximum2
  • r b Maximum2
Calculate coefficient
  • kr0.15
Corner Circle
  • ModelHJ311EC
  • Quality0.19
  • SizeB19
  • SizeB214
Fatigue load limit Pu
  • Fatigue load limit Pu18.6
Quality standard cage
  • Quality standard cage1.45

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