•  
• Bearing Type
• Current code
  311
• The inside diameter of
• d
  55
• Outer diameter
• D
  120
• Thickness
• B
  29
• Basic dynamic load rating
• Cr
  79.2
• Basic static load rating
• C₀
  67
• Fatigue load
• P_u
  2.85
• Reference speed
• Reference speed
  10000
• Limit speed
• Limit speed
  6300r/min
• Type
• Type
  Deep groove ball bearings

311Bearings are suitable for gearboxes, instruments, motors, household appliances, internal combustion engines, transportation vehicles, agricultural machinery, construction machinery, construction machinery, roller skates, yoyos, etc.