R188 Full Ceramic Bearings - Ortech CeramicsR188 Full Ceramic Bearings are made entirely of ceramic material . Ceramic is the perfect material for any application where high temperatures and corrosive R188 Full Ceramic Bearing Ball Bearing 1/4" x 1/2" x 3/16Durable and practical. High bearing capacity and limit speed. Low friction temperature and small friction loss. Good corrosion resistance, heat resistance and 
R188 Hybrid Ceramic Bearings - Ortech CeramicsOrtech manufactures R188 Hybrid Ceramic Bearings for extend service life,  All the ceramic material for full ceramic and hybrid ceramic bearing are made in R188 Full Ceramic Bearing 1/4 x 1/2 x 1/8 Inch: Deep GrooveSingle row bearing for supporting radial loads; Zirconia oxide ceramic for low friction, high hardness, density, and shock tolerance, and resistance to chemicals, TTLET R188 Full Ceramic Bearing | Free Shipping |Pure Ceramic Bearing.Great replacement for R188 Steel bearing. Zirconia Ceramic Housing and cage, balls, all of them made of Ceramic. Deep groove