NU420M
SIAIF NU420M
Type

Cylindrical roller bearing

Model：NU420M
Thickness(mm)：58
Inner diameter d：100
Outer diameter D：250
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Detailed information

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Basic size mm
  • d100
  • D250
  • B58
Basic load rating kN
  • DynamicsC429
  • Static Co475
RatedSpeed r/min
  • Reference speed3000
  • Limit speed3600
Model
  • standardCageNU420M
  • otherCage1)-
Size mm
  • d100
  • d 1 ～-
  • D1 ～195
  • F,E139
  • r 1,2 Minimum4
  • r 3,4 Minimum4
  • s 1) 4.9
Shoulder and chamfer dimensions mm
  • d a Minimum120
  • d a Maximum135
  • d b ,Da Minimum142
  • Da Maximum230
  • r a Maximum3
  • r b Maximum3
Calculate coefficient
  • kr0.15
Corner Circle
  • Model-
  • Quality
  • SizeB1
  • SizeB2
Fatigue load limit Pu
  • Fatigue load limit Pu53
Quality standard cage
  • Quality standard cage14

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