The research of the influence of housing material on operation temperature of
the idler bearing assembly is presented in this paper. Several radial loads
and rotary speeds were applied to the test bench to determine the transient
temperature field. The results were monitored and recorded for the whole
period until the temperature of the assembly reached stationary stage. FEM
model was created where the rolling elements were replaced with the
especially designed artificial body, having the shape of irregular ring. It
generates heat and connects only those points of the inner and outer ring
which are in operating conditions connected with the rolling elements. The
experimental results are compared with FEM results. The conclusion is given
on suitability of polymer material for this purpose.
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