NUP228ECM
SIAIF NUP228ECM
Type

Cylindrical roller bearing

Model：NUP228ECM
Thickness(mm)：42
Inner diameter d：140
Outer diameter D：250
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Detailed information

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Basic size mm
  • d140
  • D250
  • B42
Basic load rating kN
  • DynamicsC450
  • Static Co510
RatedSpeed r/min
  • Reference speed2800
  • Limit speed3200
Model
  • standardCage*NUP228ECM
  • otherCage1)ML
Size mm
  • d140
  • d 1 ～179
  • D1 ～217
  • F,E169
  • r 1,2 Minimum3
  • r 3,4 Minimum3
  • s 1) -
Shoulder and chamfer dimensions mm
  • d a Minimum154
  • d a Maximum-
  • d b ,Da Minimum183
  • Da Maximum236
  • r a Maximum2.5
  • r b Maximum2.5
Calculate coefficient
  • kr0.15
Corner Circle
  • Model-
  • Quality
  • SizeB1
  • SizeB2
Fatigue load limit Pu
  • Fatigue load limit Pu57
Quality standard cage
  • Quality standard cage8.9

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