TourTourCompressive strength of polymer bearings


 Calculate the load capability and bearing stiffness*
 D 10-3 m dR/R
 L/D s/R
 E   MPa pmax MPa
 
 δ/s pm MPa
 b/R F/(LD) MPa
 φ  deg. F N
* plane strain / zero wear
 Symbols
 b semi contact axis, b/R=2b/D [m]
 L bearing length [m]
 dR radial clearance, bearing gap [m]
 δ elastic indentation in the contact center [m]
 F/δ bearing stiffness  
 D shaft diameter, D=2R [m]
 E modulus of elasticity [Pa]
 F bearing load [N]
 F/(LD) average bearing pressure [Pa]
 pm mean value contact pressure = F/(2bB) [Pa]
 pmax maximum contact pressure [Pa]
 s wall thickness bearing bushing [m]
 φ contact angle [deg]

www.tribology-abc.com