305-2Z
SIAIF 305-2Z
Type

Deep groove ball bearing

Model：305-2Z
Thickness(mm)：17
Inner diameter d：25
Outer diameter D：62
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Detailed information

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Basic size mm
  • d25
  • D62
  • B17
Basic load rating kN
  • DynamicsC22.9
  • Static Co15.6
RatedSpeed r/min
  • Reference speed20000
  • Limit speed 1) 13000
Model
  • BearingOpen305
  • One side beltDust cover305-Z
  • Both side bandsDust cover305-2Z
Size mm
  • d25
  • d1 ～32.8
  • D2 ～52.7
  • r 1,2 Minimum1.1
Shoulder and chamfer dimensions mm
  • d a Minimum31.5
  • Da Maximum55.5
  • r a Maximum1
Fatigue load limit Pu
  • Fatigue load limit Pu0.67
Quality kg
  • Quality kg0.24

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