•  
• Bearing Type
• Current code
  4308 ATN9
• The inside diameter of
• d
  40
• Outer diameter
• D
  90
• Thickness
• B
  33
• Basic dynamic load rating
• Cr
  55.9
• Basic static load rating
• C₀
  45
• Fatigue load
• P_u
  1.9
• Reference speed
• Reference speed
  12000
• Limit speed
• Limit speed
  6700r/min
• Type
• Type
  Deep groove ball bearings

4308 ATN9Bearings are suitable for gearboxes, instruments, motors, household appliances, internal combustion engines, transportation vehicles, agricultural machinery, construction machinery, construction machinery, roller skates, yoyos, etc.