The 5" Pemco "KasterKat" Shopping Cart Caster features a molded, red annular ring mixed with polyurethane, between the hub and our premium polyurethane tread. This process provides both a chemical bond and a mechanical lock between the tread and hub. The red annular ring also provides the smoothest rolling surface, with additional shock absorbing features not found in competitor’s wheels.
These feature a double raceway bearing that is insert-molded into our polypropylene hub. This bearing is a single spindle design that cannot become misaligned with use. It is also sealed on both sides after being pre-lubricated with our high-quality grease.