NJ2340ECMA
SIAIF NJ2340ECMA
Type

Cylindrical roller bearing

Model：NJ2340ECMA
Thickness(mm)：138
Inner diameter d：200
Outer diameter D：420
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Detailed information

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Basic size mm
  • d200
  • D420
  • B138
Basic load rating kN
  • DynamicsC1980
  • Static Co2800
RatedSpeed r/min
  • Reference speed1400
  • Limit speed2400
Model
  • standardCageNJ2340ECMA
  • otherCage1)-
Size mm
  • d200
  • d 1 ～278
  • D1 ～353
  • F,E247
  • r 1,2 Minimum5
  • r 3,4 Minimum5
  • s 1) 9.4
Shoulder and chamfer dimensions mm
  • d a Minimum220
  • d a Maximum241
  • d b ,Da Minimum280
  • Da Maximum400
  • r a Maximum4
  • r b Maximum4
Calculate coefficient
  • kr0.25
Corner Circle
  • Model-
  • Quality
  • SizeB1
  • SizeB2
Fatigue load limit Pu
  • Fatigue load limit Pu255
Quality standard cage
  • Quality standard cage98

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