•  
• Bearing Type
• current code
  NNU 4188 K30M/W33
• The inside diameter of
• d
  440
• Outer diameter
• D
  720
• Thickness
• B
  280
• Basic dynamic load rating
• Cr
  5720
• Basic static load rating
• C₀
  11800
• Fatigue load
• P_u
  900
• Reference speed
• Reference speed
  700
• limit speed
• limit speed
  900r/min
• Bearing Type
• Type
  Cylindrical Roller Bearings

NNU 4188 K30M/W33Bearings are suitable for large and medium-sized motors, locomotives, machine tool spindles, internal combustion engines, generators, gas turbines, gearboxes, rolling mills, vibrating screens, and hoisting and transportation machinery.