documentclass[tikz,border=3.14mm]{standalone}
usetikzlibrary{decorations.pathmorphing}
begin{document}
begin{tikzpicture}
draw[thick,decoration={coil,segment
length=pi*8cm/72,amplitude=5pt},decorate,xscale=-1] (0,0) circle (4cm);
node[fill,minimum size=12mm,label=above right:$M$] (M) at (180:4){};
node[fill,minimum size=6mm,label=right:$m$,rotate=45] (m1) at (45:4){};
node[fill,minimum size=6mm,label=right:$m$,rotate=-45] (m2) at (-45:4){};
draw[thick] (90:3) -- ++ (0,3);
draw[-latex] (-0.5,5) arc(180:405:0.5 and 0.25) node[above right]{$omega$};
end{tikzpicture}
end{document}