NU2256ECMA
SIAIF NU2256ECMA
Type

Cylindrical roller bearing

Model：NU2256ECMA
Thickness(mm)：130
Inner diameter d：280
Outer diameter D：500
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Detailed information

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Basic size mm
  • d280
  • D500
  • B130
Basic load rating kN
  • DynamicsC2200
  • Static Co3250
RatedSpeed r/min
  • Reference speed1200
  • Limit speed1900
Model
  • ModelNU2256ECMA
Size mm
  • d280
  • d 1 ～350
  • D1 ～433
  • F,E327
  • r 1,2 Minimum5
  • r 3,4 Minimum5
  • s 1) 10.2
Shoulder and chamfer dimensions mm
  • d a Minimum300
  • d a Maximum320
  • d b ,Da Minimum331
  • Da Maximum480
  • r a Maximum4
  • r b Maximum4
Calculate coefficient
  • kr0.2
Corner Circle
  • ModelHJ2256EC
  • Quality6.75
  • SizeB118
  • SizeB238
Fatigue load limit Pu
  • Fatigue load limit Pu285
Quality
  • Quality115

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