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 THRAXX r188 10 Ball Hybrid Ceramic Bearing | FidgetApr 14, 2018 - We've created our very own R188 bearing stamped with “THRAXX” on the side of the bearing race. Pre Lubed: Yes Sealed: No
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 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, 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 : 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