TourTourJournal bearing service life


 Shaft diameter D 10-3 m
 Bearing length L 10-3 m
 Radial clearance dR 10-3 m
 Wear depth h 10-3 m
 Bearing load F N
 Specific wear rate k 10-15 m2/N
 Sliding velocity v   m/s
   stationary     non-stationary
 Average contact pressure p=F/(LD) MPa
 Pressure Velocity value PV MPam/s
 Contact angle φ deg
 Wear volume V 10-9 m3
 Sliding distance s=V/(kF) 103 m
 Service life t=s/v hour
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