Sidewall pressure is exerted on a cable as it is pulled around a bend. Excessive sidewall pressure can cause cable damage and is the most restrictive factor in many installations.

Symbol
$SP_{\mathrm{p}}$
Unit
N/m
Formulae
$\frac{F_{\mathrm{out}}}{R_{\mathrm{p}}}$1 cable (single)
$\frac{F_{\mathrm{out}}}{R_{\mathrm{p}}}$2 cables (dual)
$\frac{F_{\mathrm{out}} w_{\mathrm{p}}}{2 R_{\mathrm{p}}}$3 cables (triangular)
$\frac{F_{\mathrm{out}}}{3 R_{\mathrm{p}}} \left(3 w_{\mathrm{p}} - 2\right)$3 cables (cradled)
$\frac{F_{\mathrm{out}}}{R_{\mathrm{p}}} \left(w_{\mathrm{p}} - 1\right)$4 cables (diamond)
Related
$F_{\mathrm{out}}$
$R_{\mathrm{p}}$
$w_{\mathrm{p}}$