•  
• Bearing Type
• Current code
  W 639/2.5-2ZS
• The inside diameter of
• d
  2.5
• Outer diameter
• D
  7
• Thickness
• B
  3.5
• Basic dynamic load rating
• Cr
  0.221
• Basic static load rating
• C₀
  0.067
• Fatigue load
• P_u
  0.003
• Reference speed
• Reference speed
  160000
• Limit speed
• Limit speed
  80000r/min
• Type
• Type
  Deep groove ball bearings

W 639/2.5-2ZSBearings are suitable for gearboxes, instruments, motors, household appliances, internal combustion engines, transportation vehicles, agricultural machinery, construction machinery, construction machinery, roller skates, yoyos, etc.