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‘Directed Lubrication’

‘Directed Lubrication’ from Waukesha Bearings, available on tilt pad thrust and journal bearings, reduces power loss and bearing temperatures for increased load capacity and improved bearing performance.

Developed by us in the 1960s, ‘Directed Lubrication’ is now an industry standard. Waukesha’s design, including the bi-directional spray nozzles and balanced oil inlet arrangement, has been more fully proven over a longer period than any other product subsequently developed and aiming to achieve similar results.

 

 


‘Directed Lubrication’ Thrust Bearings

In tilt pad thrust bearings, ‘Direction Lubrication’ can significantly reduce power loss and oil flow, particularly at high speeds, by eliminating churning of the oil within the casing that results in high power loss in flooded lubrication systems. The thrust bearing housing must be kept free of bulk oil by ample drain area around the collar periphery. No shaft seals are required, thus also simplifying installation.

Our ‘Directed Lubrication’ has oil jets, which impinge on the trailing edge of the proceeding pad to help reduce local high temperatures, scour hot oil from the collar as well as spray fresh oil to the inlet edge of each pad. By reducing hot oil carryover, Waukesha’s ‘Directed Lubrication’ reduces pad temperatures and also increases film thickness, permitting higher specific loading. This allows the use of a smaller bearing to support a given load, leading to further saving in power due to a reduced bearing diameter.

 

Key Benefits

  • Significantly reduced power loss – often over 50% at high speeds 
  • Reduced bearing surface temperatures 
  • Lower oil flows at high speeds
  • Increased oil film thickness
  • Increased load capacity

 


‘Directed Lubrication’ Journal Bearings

On tilt pad journal bearings with ‘Directed Lubrication’, oil flow is controlled by nozzles between each pad with the oil exits from each end of the bearing being largely free; only large clearance baffles are provided. The elimination of seals minimizes power loss while the oil supply method reduces pad temperatures.

 

Key Benefits

  • Minimized power loss 
  • Reduced pad temperatures
  • Increased load capacity