NU321ECP
SIAIF NU321ECP
Type

Cylindrical roller bearing

Model：NU321ECP
Thickness(mm)：49
Inner diameter d：105
Outer diameter D：225
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Detailed information

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Basic size mm
  • d105
  • D225
  • B49
Basic load rating kN
  • DynamicsC500
  • Static Co500
RatedSpeed r/min
  • Reference speed3200
  • Limit speed3800
Model
  • standardCage*NU321ECP
  • otherCage1)J,ML
Size mm
  • d105
  • d 1 ～-
  • D1 ～190
  • F,E133
  • r 1,2 Minimum3
  • r 3,4 Minimum3
  • s 1) 3.4
Shoulder and chamfer dimensions mm
  • d a Minimum119
  • d a Maximum130
  • d b ,Da Minimum136
  • Da Maximum211
  • 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 cage8.75

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