•  
• Bearing Type
• current code
  NKIB 5903
• The inside diameter of
• d
  17
• Outer diameter
• D
  30
• Thickness
• B
  20
• Basic dynamic load rating
• Cr
  11.4
• Basic static load rating
• C₀
  16.3
• Fatigue load
• P_u
  1.96
• Reference speed
• Reference speed
  18000
• limit speed
• limit speed
  20000r/min
• Bearing Type
• Type
  Angular contact ball bearings

NKIB 5903Angular 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