Reliability Factor for Allowable Contact Stress, $C_R,$ when a reliability of $0\mathrm{.}99$ is desired, is:

$1\mathrm{.}50$

$1\mathrm{.}12$

$1\mathrm{.}25$

$0\mathrm{.}85$

$0\mathrm{.}92$

$1\mathrm{.}22$

$1\mathrm{.}00$