$\uparrow F_{RH} - F_{RV} - F_R = 0$ , $\uparrow \mathrm{V} \downarrow 50F_R - 40F_{RH} = 0$

\Rightarrow F_{RH} = 1500 \mathrm{~N}, \quad F_{RV} = 300 \mathrm{~N} L_{10h} = \frac{10^6}{60n} \left(\frac{C}{P}\right)^3, \quad P = F_{RH} \Rightarrow C = \sqrt[3]{\frac{60 \cdot n \cdot L_{10h} \cdot P^3}{10^6}} = 3120 \mathrm{~N} \Rightarrow \text{Lager } 627 \quad 3P

Lager 627 $\Rightarrow C = 3.45 \mathrm{kN}$ , $C_0 = 1.37 \mathrm{kN}$ , $f_0 = 12 \Rightarrow L_{10h} = 270 \mathrm{timmar}$

f_0 \frac{F_a}{C_0} = 3.5036 \rightarrow e < 0.42, \quad \frac{F_a}{F_{RV}} = 1.33 > e \rightarrow P = X F_{RV} + Y F_a, \quad Y = 1.1466 P = 0.56 \cdot 300 + 1.1466 \cdot 400 = 626.6 \mathrm{~N} \rightarrow \underline{L_{10h}} = 3709 \mathrm{timmar} \quad 2P