NJ344M
SIAIF NJ344M
Type

Cylindrical roller bearing

Model：NJ344M
Thickness(mm)：88
Inner diameter d：220
Outer diameter D：460
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Detailed information

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Basic size mm
  • d220
  • D460
  • B88
Basic load rating kN
  • DynamicsC1210
  • Static Co1630
RatedSpeed r/min
  • Reference speed1500
  • Limit speed1700
Model
  • standardCageNJ344M
  • otherCage1)-
Size mm
  • d220
  • d 1 ～307
  • D1 ～371
  • F,E284
  • r 1,2 Minimum5
  • r 3,4 Minimum5
  • s 1) 5.2
Shoulder and chamfer dimensions mm
  • d a Minimum240
  • d a Maximum277
  • d b ,Da Minimum311
  • Da Maximum440
  • r a Maximum4
  • r b Maximum4
Calculate coefficient
  • kr0.15
Corner Circle
  • Model-
  • Quality
  • SizeB1
  • SizeB2
Fatigue load limit Pu
  • Fatigue load limit Pu150
Quality standard cage
  • Quality standard cage73.5

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