212NR
SIAIF 212NR
Type

Deep groove ball bearing

Model：212NR
Thickness(mm)：22
Inner diameter d：60
Outer diameter D：110
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Detailed information

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Basic size mm
  • d60
  • D110
  • B22
Basic load rating kN
  • DynamicsC56.1
  • Static Co50
RatedSpeed r/min
  • Reference speed11000
  • Limit speed 1) 6700
Model
  • BearingOpen212NR
  • One side beltDust cover212-ZNR
  • Both side bandsDust cover212-2ZNR
  • Stop ringSP110
Size mm
  • d60
  • d1 ～70.1
  • D2 ～97
  • D3106.81
  • D4116.6
  • f2.46
  • b2.7
  • C3.28
  • r 0 Maximum0.6
  • r 1,2 Minimum1.5
Shoulder and chamfer dimensions mm
  • d a Minimum68
  • Da Maximum102
  • D b Minimum118
  • b a Minimum3
  • Ca Maximum5.74
  • r a Maximum1.5
Fatigue load limit Pu
  • Fatigue load limit Pu2.12
Quality kg
  • Quality kg0.85

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