NU238ECMA
SIAIF NU238ECMA
Type

Cylindrical roller bearing

Model：NU238ECMA
Thickness(mm)：55
Inner diameter d：190
Outer diameter D：340
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Detailed information

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Basic size mm
  • d190
  • D340
  • B55
Basic load rating kN
  • DynamicsC800
  • Static Co965
RatedSpeed r/min
  • Reference speed2000
  • Limit speed3000
Model
  • standardCage*NU238ECMA
  • otherCage1)M
Size mm
  • d190
  • d 1 ～244
  • D1 ～295
  • F,E230
  • r 1,2 Minimum4
  • r 3,4 Minimum4
  • s 1) 3
Shoulder and chamfer dimensions mm
  • d a Minimum207
  • d a Maximum226
  • d b ,Da Minimum234
  • Da Maximum323
  • r a Maximum3
  • r b Maximum3
Calculate coefficient
  • kr0.15
Corner Circle
  • ModelHJ238EC
  • Quality2.1
  • SizeB113
  • SizeB221.5
Fatigue load limit Pu
  • Fatigue load limit Pu98
Quality standard cage
  • Quality standard cage24

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