This beater bar (part number 8192670) is for vacuums.
Beater bar 8192670 rotates to loosen dirt and debris so it's drawn into the vacuum.
Follow the instructions in your owner's manual when installing this part.
8192670 (or 742454)
The manufacturer substituted part 742454 with this new part 8192670
Floor Care/Sewing Machines
11.5" INHx 10" INHx 5"FOT