•  
• Bearing model
• Model
  51284 F
• internal diameter-(mm)
• d
  420
• Outer diameter -(mm)
• D
  580
• Bearing thickness-(mm)
• B
  130
• Dynamic load-(kN)
• cr
  884
• Static load-(kN)
• cor
  5500
• Fatigue load limit-(kN)
• Fatigue load limit
  90
• Reference speed-(r/min)
• Reference speed
  430
• Limit speed-(r/min)
• Limit speed
  600

51284 F Purpose of thrust ball bearing: it is only applicable to the parts bearing one side of axial load and low speed, such as crane hook, vertical water pump, vertical centrifuge, jack, low speed reducer, etc. The shaft ring, seat ring and rolling element of the bearing are separated and can be installed and removed separately。