7228BM
Type

Angular contact ball bearing

Model:7228BM
Thickness(mm):42
Inner diameter d:140
Outer diameter D:250

Detailed information

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Basic size mm
  • d140
  • D250
  • B42
Basic load rating kN
  • DynamicsC199
  • Static Co212
RatedSpeed r/min
  • Reference speed2800
  • Limit speed3000
Model 1)
  • Universal matchingBearing7228BCBM
  • BasicdesignBearing7228BM
Size mm
  • d140
  • d1 ~183.3
  • d2 ~163.6
  • D1 ~209.5
  • r 1,2 Minimum3
  • r 3,4 Minimum1.1
  • a103
Shoulder and chamfer dimensions mm
  • d a Minimum154
  • Da Maximum236
  • D b Maximum243
  • r a Maximum2.5
  • r b Maximum1
Fatigue load limit Pu
  • Fatigue load limit Pu6.4
Quality kg
  • Quality kg8.63