SINGLE ROLL CRUSHERSingle roll crushers are used for grain size reduc- tion for products ranging from soft to . similar products. Single roll crusher with V-belt drive, type 2311, size 2311/06-05, featured with crushing ledges. . AUBEMA MASCHINENFABRIK · KÖLNER STRASSE 94 · D-51702 BERGNEUSTADT · TEL.: +49(0)2261/4094-0.aubema roll crusher,Roll Crushers McLanahanMcLanahan offers belt-driven Roll Crushers in four designs: Single Roll, Double Roll, Triple Roll and Quad Roll Crushers. Roll Crushers are built to handle primary, secondary and tertiary stage crushing of friable materials such as coal, salt, clay, bauxite, line and more.Since patenting the first Single Roll Crusher in.