NU2272MA
SIAIF NU2272MA
Type

Cylindrical roller bearing

Model：NU2272MA
Thickness(mm)：170
Inner diameter d：360
Outer diameter D：650
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Detailed information

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Basic size mm
  • d360
  • D650
  • B170
Basic load rating kN
  • DynamicsC2920
  • Static Co4900
RatedSpeed r/min
  • Reference speed950
  • Limit speed1400
Model
  • ModelNU2272MA
Size mm
  • d360
  • d 1 ～-
  • D1 ～542
  • F,E437
  • r 1,2 Minimum6
  • r 3,4 Minimum6
  • s 1) 16.7
Shoulder and chamfer dimensions mm
  • d a Minimum386
  • d a Maximum428
  • d b ,Da Minimum442
  • Da Maximum624
  • r a Maximum5
  • r b Maximum5
Calculate coefficient
  • kr0.2
Corner Circle
  • Model-
  • Quality
  • SizeB1
  • SizeB2
Fatigue load limit Pu
  • Fatigue load limit Pu400
Quality
  • Quality250

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