6309-2RS Hybrid Ceramic Ball Bearing - Si3N4 Sealed - C3 45x100x25mm

6309-2RS Hybrid Ceramic Ball Bearing✔️ C3 Clearance - Si₃N₄ Balls - Sealed Chrome Steel - 45mm x 100mm x 25mm The 6309-2RS is a heavy-duty hybrid ceramic bearing built for high-performance industrial and mechanical systems. With chrome steel races and silicon nitride (Si₃N₄) ceramic balls, it delivers reduced friction, extended service life, and high-speed capability. Sealed on both sides and pre-lubed for convenience. Sold individually. ✅ Size: 45mm ID x 100mm OD x 25mm width✅ Ball material: Silicon Nitride (Si₃N₄) ceramic✅ Race material: Chrome steel✅ Closures: Double rubber seals (2RS)✅ Clearance: C3 for thermal expansion and higher RPMs✅ Lubrication: Pre-greased and ready to install✅ Quantity: 1 bearing✅ Type: Deep groove hybrid ball bearing 💡 Why choose hybrid ceramic bearings with Si₃N₄ balls for industrial use?Because they run cooler, last longer, and reduce maintenance in high-speed, high-load applications Si₃N₄ ceramic balls resist heat, wear, and corrosionC3 clearance support