NNC4948CV
SIAIF NNC4948CV
Type

Cylindrical roller bearing

Model：NNC4948CV
Thickness(mm)：80
Inner diameter d：240
Outer diameter D：320
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Detailed information

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Basic size mm
  • d240
  • D320
  • B80
Basic load rating kN
  • DynamicsC781
  • Static Co1760
RatedSpeed r/min
  • Reference speed850
  • Limit speed1100
Model
  • ModelNNC4948CV
Size mm
  • d240
  • d 1 ～271
  • D1 ～291
  • E299.1
  • b 1 8
  • k4
  • r 1,2 Minimum2.1
  • s 1) -
Shoulder and chamfer dimensions mm
  • d a Minimum251
  • d as 2) 建议值267
  • Da Maximum309
  • r a Maximum2
Fatigue load limit Pu
  • Fatigue load limit Pu173
Quality
  • Quality18.5

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