Abstract: Roller assemblies for refuse crushers or the like are provided wherein a roller element having axial end faces and a cylindrical surface carrying refuse crushing means is provided. Structure for supporting the roller element includes a pair of end faces, each of which is situated in opposed, spaced relation to a corresponding one of the axial end faces of the roller element. Crushing apparatus is provided on the opposed end faces of the roller element and support structure which crush refuse which might enter the space between the roller element and the support end faces.