R16 Full Complement Full Ceramic Bearing - 1" ID x 2" OD x 1/2" Width Si3N4 BearingR16 Full Complement Ceramic Ball Bearing SiN 1" x 2" x 1 2" Inch No Cage The R16 full complement ceramic ball bearing is built entirely from silicon nitride (SiN) and features no cage, maximizing load capacity with more rolling elements. With its high temp rating and non magnetic, non conductive properties, it's ideal for demanding environments like high speed spindles, cleanrooms, or chemical systems. Pack size: 1 bearing Inner diameter: 1" Outer