W639/2-2Z
SIAIF W639/2-2Z
Type

Deep groove ball bearing

Model：W639/2-2Z
Thickness(mm)：3
Inner diameter d：2
Outer diameter D：6
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Detailed information

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Basic size mm
  • d2
  • D6
  • B3
Basic load rating kN
  • DynamicsC0.238
  • Static Co0.075
RatedSpeed r/min
  • Reference speed180000
  • Limit speed90000
Model
  • ModelW639/2-2Z
Size mm
  • d2
  • d1 ～3
  • D1 ～5.4
  • r 1,2 Minimum0.15
Shoulder and chamfer dimensions mm
  • d a Minimum2.8
  • Da Maximum5.2
  • r a Maximum0.1
Calculate coefficient
  • k r 0.015
  • fo10
Fatigue load limit Pu
  • Fatigue load limit Pu0.0034
Quality kg
  • Quality kg0.00035

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