•  
• Bearing model
• Model
  51309
• internal diameter-(mm)
• d
  45
• Outer diameter -(mm)
• D
  85
• Bearing thickness-(mm)
• B
  28
• Dynamic load-(kN)
• cr
  76.1
• Static load-(kN)
• cor
  153
• Fatigue load limit-(kN)
• Fatigue load limit
  5.6
• Reference speed-(r/min)
• Reference speed
  2800
• Limit speed-(r/min)
• Limit speed
  4000

51309 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。