•  
• Bearing Type
• Current code
  71903 ACE/HCP4A
• The inside diameter of
• d
  17
• Outer diameter
• D
  30
• Thickness
• B
  7
• Basic dynamic load rating
• Cr
  3.19
• Basic static load rating
• C₀
  1.46
• Fatigue load
• P_u
  0.063
• Reference speed
• Reference speed
  75000
• Limit speed
• Limit speed
  115000r/min
• Type
• Type
  Angular contact ball bearings

71903 ACE/HCP4AAngular 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