Billiard Evolution Set of 16 Foosball Table Rod Ball Bearings - Fit 5/8" Foosball Rods Drawstring Bag These rod ball bearings will work on most foosball tables with standard 5/8 rods. The center of these durable black plastic bearings has small plastic balls. Attach using three screws; screws are not included. Outside Diameter: 2-3/8 Inside Diameter: 5/8 Screw Holes Diameter: 1/8 Distance from the center of one screw hole to another: 1-5/8" Bearings set into a 1-9/16" (mininum) sized hole in foosball cabinet in order for bearings to set flush.