312
SIAIF 312
Type

Deep groove ball bearing

Model：312
Thickness(mm)：31
Inner diameter d：60
Outer diameter D：130
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Detailed information

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Basic size mm
  • d60
  • D130
  • B31
Basic load rating kN
  • DynamicsC91.3
  • Static Co78
RatedSpeed r/min
  • Reference speed9500
  • Limit speed 1) 6000
Model
  • BearingOpen312
  • One side beltDust cover312-Z
  • Both side bandsDust cover312-2Z
Size mm
  • d60
  • d1 ～80.3
  • D2 ～113
  • r 1,2 Minimum2.1
Shoulder and chamfer dimensions mm
  • d a Minimum71
  • Da Maximum119
  • r a Maximum2
Fatigue load limit Pu
  • Fatigue load limit Pu3.35
Quality kg
  • Quality kg1.85

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