6311-2ZNR
SIAIF 6311-2ZNR
Type

Deep groove ball bearing

Model：6311-2ZNR
Thickness(mm)：29
Inner diameter d：55
Outer diameter D：120
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Detailed information

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Basic size mm
  • d55
  • D120
  • B29
Basic load rating kN
  • DynamicsC74.1
  • Static Co45
RatedSpeed r/min
  • Reference speed12000
  • Limit speed 1) 8000
Model
  • Bearing带Stop槽*6311-ZNR
  • Stop槽和Stop ring*6311-2ZNR
  • Stop ringSP120
Size mm
  • d55
  • d1 ～75.3
  • D1 ～104
  • D3115.21
  • D4129.7
  • b3.1
  • f2.82
  • C4.06
  • r 1,2 Minimum2
  • r 0 Maximum0.6
Shoulder and chamfer dimensions mm
  • d a Minimum66
  • Da Maximum109
  • D b Minimum131
  • b a Minimum3.5
  • Ca Maximum6.88
  • r a Maximum2
Calculate coefficient
  • k r 0.03
  • fo13
Fatigue load limit Pu
  • Fatigue load limit Pu1.9
Quality kg
  • Quality kg1.35

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