1228-M
Type

Self-aligning ball bearing

Model:1228-M
Thickness(mm):50
Inner diameter d:140
Outer diameter D:250

Detailed information

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Size mm
  • d140
  • D250
  • B50
  • r min 3
  • D 1 ≈221.2
  • d 1 ≈175
  • C 1 1) ≈2.7
Installation size mm
  • d a min154
  • D a max236
  • r a max2.5
Basic load rating N
  • Dynamic load C r 163000
  • Static load C or 74000
Calculate coefficient
  • e0.21
  • Y 1 3.05
  • Y 2 4.71
  • Y 0 3.19
Model
  • Model1228-M
Qualitym ≈kg
  • Qualitym ≈kg11.2
Fatigue limit load C ur / N
  • Fatigue limit load C ur / N3300
Limit speed n G /min –1
  • Limit speed n G /min –1 4300
Reference speed n B /min –1
  • Reference speed n B /min –1 4950