•  
• Bearing Type
• Current code
  6404
• The inside diameter of
• d
  20
• Outer diameter
• D
  72
• Thickness
• B
  19
• Basic dynamic load rating
• Cr
  30.7
• Basic static load rating
• C₀
  15
• Fatigue load
• P_u
  0.64
• Reference speed
• Reference speed
  24000
• Limit speed
• Limit speed
  15000r/min
• Type
• Type
  Deep groove ball bearings

6404Bearings are suitable for gearboxes, instruments, motors, household appliances, internal combustion engines, transportation vehicles, agricultural machinery, construction machinery, construction machinery, roller skates, yoyos, etc.