Although in this case there is no peripheral force parallel to the circumference of the ball (since the coefficient of friction is zero), the ball nevertheless deforms towards its centre, which causes some force to act around the centre of gravity.
(the coefficient of friction; is; zero) (its centre; causes; some force to act around the centre of gravity) Context(its centre causes,List([176, 200))):(some force; to act; around the centre of gravity)
its centre causes,List([176, 200))
the coefficient of friction its centre some force
is causes to act
zero
some force to act around the centre of gravity
around the centre of gravity