Full Ceramic Bearing 686-2RS ZrO2 Si3N4 SRL Ball Bearing 6mm X 13mm X 5mm High Precision Ceramic Bearing For Industrial Applications Low Friction And Corrosion Resistant Long Life For Precision Use

Premium ceramic 686-2RS SRL bearing 6x13x5mm, 1pc
✔️ 6x13x5mm ceramic sealed bearing, ZrO2/Si3n4, SRL grease, 1 bearing

This full ceramic ball bearing uses silicon nitride balls and zirconia inner/outer races, delivering excellent performance in high-temperature, low-noise applications such as precision robotics, CNC equipment, and medical devices.

✅ Bore: 6 mm (0.236 in); OD: 13 mm (0.512 in); Width: 5 mm (0.197 in)
✅ Material: Si3n4 ceramic balls; inner/outer races: ZrO2 ceramic
✅ Lubrication: SRL high-quality grease for broad temperature range
✅ Temperature range: -50 to 150 C (-58 to 302 F)
✅ Pack size: 1 bearing

💡 What are ceramic ball bearings used for in precision machinery, and how do ZrO2/Si3n4 materials improve performance?

- High stiffness and low friction promote precise motion - Excellent heat resistance extends life in harsh environments - Lightweight ceramic construction reduces inertia in tight spaces - Ideal for robotics, CNC machines, and medical devices