The 191 is a medium heavy duty cold-forged steel series, with two separate and large diameter ball bearing raceways. The common applications: refuse containers, industrail carts, platform trucks, ect. Engineering data: 1/4" balls for lower raceway, 5/16" load balls, 1/4" cold-forged top plate, 1/4" upper and lower raceways, 5/16 integral kingpin. Wheel specs: Diameter- 5in. Width-2in. Type- soft non-marking tread rubber, Caps each- 325lbs, Rigid roller bearing. |