•  
• Bearing model
• Model
  NNU 4948 BK/SPW33
• internal diameter-(mm)
• d
  240
• Outer diameter -(mm)
• D
  320
• Bearing thickness-(mm)
• B
  80
• Dynamic load-(kN)
• cr
  528
• Static load-(kN)
• cor
  1220
• Fatigue load limit-(kN)
• Fatigue load limit
  118
• Reference speed-(r/min)
• Reference speed
  2200
• Limit speed-(r/min)
• Limit speed
  2600

NNU 4948 BK/SPW33It is applicable to large and medium-sized electric motors, rolling stock, machine tool spindles, internal combustion engines, generators, gas turbines, reduction boxes, rolling mills, vibrating screens and lifting and transportation machinery.