TourTourLoad capacity of polymer bearings limited by compressive strength

 Shaft diameter D 10-3 m
 Bearing length L 10-3 m
 Modulus of elasticity E   MPa
 Radial bearing clearance dR 10-3 m
 Wall thickness s 10-3 m
 Max contact pressure pmax MPa
 Elastic indentation at the center of contact δ/s %
 semi contact axis b/R=2b/D -
 Angle of contact φ  deg.
 Mean contact pressure pm = F/(2bB) MPa
 Average bearing pressure F/(LD) MPa
 Load capacity F N
 Stiffness F/δ 106 N/m