•  
• Bearing Type
• Current code
  NNU 4956 BK/SPW33
• The inside diameter of
• d
  280
• Outer diameter
• D
  380
• Thickness
• B
  100
• Basic dynamic load rating
• Cr
  765
• Basic static load rating
• C₀
  1800
• Fatigue load
• P_u
  170
• Reference speed
• Reference speed
  1900
• Limit speed
• Limit speed
  2200r/min
• Type
• Type
  Cylindrical Roller Bearings

NNU 4956 BK/SPW33Bearings 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.