•  
• Bearing Type
• Current code
  7221 ACD/HCP4A
• The inside diameter of
• d
  105
• Outer diameter
• D
  190
• Thickness
• B
  36
• Basic dynamic load rating
• Cr
  163
• Basic static load rating
• C₀
  146
• Fatigue load
• P_u
  5.1
• Reference speed
• Reference speed
  7500
• Limit speed
• Limit speed
  12000r/min
• Type
• Type
  Angular contact ball bearings

7221 ACD/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