Plastic ball bearings -- Quality Bearing & Components

 The BBPRIX and BBPRIXM Series of plastic plain ball bearings feature glass or stainless-steel balls in single or double-row construction. Designed to fit 3/16 to 1-in.-diameter shafts, the bearings use acetal raceways and their dynamic load ratings range from 17 to 127 lb.
Quality Bearing & Components – QBC, 125 Railroad Ave., Garden City Park, NY 11040, (888) 276-4787, www.qbcbearings.com/press/plasticbearings.htm