•  
• Bearing Type
• current code
  W 638/1
• The inside diameter of
• d
  1
• Outer diameter
• D
  3
• Thickness
• B
  1.5
• Basic dynamic load rating
• Cr
  0.052
• Basic static load rating
• C₀
  0.012
• Fatigue load
• P_u
  0.001
• Reference speed
• Reference speed
  240000
• limit speed
• limit speed
  150000r/min
• Bearing Type
• Type
  Deep groove ball bearings

W 638/1Bearings are suitable for gearboxes, instruments, motors, household appliances, internal combustion engines, transportation vehicles, agricultural machinery, construction machinery, construction machinery, roller skates, yoyos, etc.