•  
• Bearing Type
• current code
  NU 421 M
• The inside diameter of
• d
  105
• Outer diameter
• D
  260
• Thickness
• B
  60
• Basic dynamic load rating
• Cr
  501
• Basic static load rating
• C₀
  570
• Fatigue load
• P_u
  64
• Reference speed
• Reference speed
  2800
• limit speed
• limit speed
  3400r/min
• Bearing Type
• Type
  Cylindrical Roller Bearings

NU 421 MBearings 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.