Symbol	Description
De	Outside Diameter
Di	Inside Diameter
t	Thickness
ho	Cone Height
lo	Overall Height
s	Deflection
F	Spring Force (at deflection s)
Fc	Spring Force (at s = ho)
E	Modulus of Elasticity
m	Poisson’s Ratio
i	No. of alternating discs (or clusters) in stacked column
n	No. of discs arranged in parallel (“nested”)
t’	Reduced Thickness – With bearing flats
h’o	Increased cone height – With bearing flats