Elevator Conveyor Belts Proper Belt Width For buckets upto 16' (400mm) wide, the belts should be at leats 1" (25mm) wider than the buckets. For buckets wider than 16" (400mm) width, the belt should be at least 2" (50mm) wider than the buckets. Proper Pulley Face Width For belts upto 12" (300mn) wide, the pulley face width should be at least 1" (25mm) wider than the belt. For belts greater than 12" (300mm) width, the pulley face width should be at least 2" (50mm) wider than the belt.
