R188 Full Ceramic Bearing Ball Bearing 1/4″ x 1/2″ x 3/16″
R188 Full Ceramic Bearing for your spinner. Durable and practical. High bearing capacity and limit speed. Low friction temperature and small friction loss. Good corrosion resistance, heat resistance and insulation.
12 Pcs Ceramic Bearing Balls, 4 mm/0.157 in Zirconium Oxide Solid Round Balls…
Material: Zirconia Ceramic (ZrO2). ✅ Valve: Core parts of valve balls, check valves and flow valves, corrosion resistance suitable for and petroleum scenarios;.