Belt Width: 24 in; CEMA Series: C; Idler Type: Spiral Return Training, Positive Arm; Roll Diameter: 5.50 in; Roll Material: Rubber Extrusion on Steel Backing; Lubrication Type: Regreaseable; Allowable Bolt Spacing Center to Center on Each Mounting Pad in ; Product Line: Idlers-Spiral Return Training Idlers-Positive Arm Type; Series: Rex Classic Series C; Model = 6 in