Analysis of the Hydrodynamic Lubrication Characteristics of the External Return Spherical Bearing Pair of an Axial Piston Pump/Motor

Table 1

Basic parameters.

Sign and unit	Physical significance	Value
R (mm)	Radius of the external retainer plate	55
c (mm)	Radius clearance	0.15
(Pa.s)	Lubricating oil viscosity	0.0129
B (mm)	Contact width	16.5
n (r/min)	Pump shaft rotating speed	1500
(°) [21]	Slant inclination of external swash plate	10
	Axial eccentricity	0.5
	Radial eccentricity	0.5
E	Convergence criterion	0.001
P0 (MPa)	Environmental pressure	0.1