4" Inch Steel V Groove (Double ball bearing) 3000lbs Capacity.
Size: 4" X 1/3/4"
2pcs pack
Come with the Screws
Completely sealed bearings require no lubrication, machined from high-quality cold rolled steel, zinc plated riveted will not come loose, self-cleaning relief groove, can be used with any steel wheel assembly for the best in quality. Recommended for Residential, Commercial and Industrial use.