I found some bushings that corrected this problem.
Fastenal
SF-2428-12 3/4"IDx7/8"OD Powder Metal Bronze Flange Bearing | Fastenal
or
Amazon
Bunting Bearings DPEF121412 3/4" Bore x 7/8" OD x 3/4" Length 1 1/8" Flange OD x 1/8" Flange Thickness Powdered Metal Dri Plane (C) Flange Bearings: Amazon.com: Industrial & Scientific
In the end I ended up going this route. The bronze flange bearings worked fine. After two years of using them I see no signs of wear.