R188 Hybrid Ceramic Bearings - Ortech CeramicsOrtech manufactures R188 Hybrid Ceramic Bearings for extend service life, reduce wear and minimize friction applications. Find the right Hybrid Ceramic : Coogam R188 Hybrid Ceramic 10 Ball BearingCoogam R188 Hybrid Ceramic 10 Ball Bearing for High-end Fidget Spinner Toy DIY Replacement,High Speed Smooth Quiet Durable,Si3N4 Silicon Nitride 
R188 Ceramic Ball Bearing Hybrid Silicon  Extreme Wear Resistance: Silicon Nitride balls are 2.3 times harder than hardened steel.  Coogam R188 Hybrid Ceramic 10 Ball Bearing for High-end Fidget Spinner Toy DIY Replacement,High… $8.99.  Infinity Black Ceramic Hybrid VorTech Precision Bearings (3-Pack) The Smoothest Fidget R188 Hybrid Ceramic at Boca BearingsR188 Hybrid Ceramic found in: SR188C #3 AF2, SR188C-2OS #7 LD, SR188C-ZZ #5 L55, SFR188C-YZZ AF2, Stainless Steel, Ceramic hybrid, open bearings R188 Bearing in Ceramic Hybrid or Stainless Steel, 10-ballReplacement bearings for your R188 fidget spinners and toys. Stainless Steel or Chrome races to prevent rust Available with Si3N4 Ceramic, Stainless Steel,