•  
• Bearing Type
• Current code
  71909 ACE/P4AH1
• The inside diameter of
• d
  45
• Outer diameter
• D
  68
• Thickness
• B
  12
• Basic dynamic load rating
• Cr
  9.75
• Basic static load rating
• C₀
  6.55
• Fatigue load
• P_u
  0.275
• Reference speed
• Reference speed
  25000
• Limit speed
• Limit speed
  39000r/min
• Type
• Type
  Angular contact ball bearings

71909 ACE/P4AH1Angular contact ball bearings are mainly suitable for: machine tool spindles, high-frequency motors, gas turbines, centrifugal separators, small car front wheels, differential pinion shafts, booster pumps, drilling platforms, food machinery, indexing heads, repair welding machines , low-noise cooling towers, mechanical and electrical equipment, painting equipment, machine tool grooves, arc welding machines and other equipment