Belt Width: 20 in; CEMA Series: B; Idler Type: Steel Return; Roll Diameter: 5.00 in; Roll Material: Steel; Lubrication Type: Factory Sealed; Allowable Bolt Spacing Center to Center on Each Mounting Pad in Belt Travel Direction [min]: 3.50 in; Allowable Bo; Product Line: Idlers-Return Steel Idlers; Series: Rex Classic Series B+; Model = 5 in