•  
• Bearing model
• Model
  71904 ACE/P4AL
• internal diameter-(mm)
• d
  20
• Outer diameter -(mm)
• D
  37
• Bearing thickness-(mm)
• B
  9
• Dynamic load-(kN)
• cr
  4.68
• Static load-(kN)
• cor
  2.28
• Fatigue load limit-(kN)
• Fatigue load limit
  0.098
• Reference speed-(r/min)
• Reference speed
  52000
• Limit speed-(r/min)
• Limit speed
  78000

71904 ACE/P4AL Angular contact ball bearing: machine tool spindle, food machinery, indexing head, repair welding machine, low-noise cooling tower, electromechanical equipment, coating equipment, machine tool slot plate, arc welding machine.