6203-2RS Hybrid Ceramic Bearing 17x40x12mm Si3N4 Sealed ABEC-5

6203-2RS Hybrid Ceramic Ball Bearing - ABEC-5✔️ 17mm x 40mm x 12mm - Si3N4 Balls - Stainless Steel - Double Sealed The S6203-2RS (Stainless Steel version of the 6203-2RS) is a premium hybrid ceramic bearing designed for high-speed, low-friction performance. Featuring durable stainless steel races and ultra-smooth silicon nitride (Si3N4) ceramic balls, it's built for demanding applications like electric motors, high-end tools, and 3D printers. The double rubber seals help keep out contaminants while holding in high-grade grease for extended service life. ✅ 1 hybrid ceramic bearing per pack✅ Size: 17mm ID x 40mm OD x 12mm width✅ Material: Stainless steel races + Si3N4 ceramic balls✅ Radial clearance: C0✅ Closure: Double rubber seals (RS/RS1/2RS1)✅ Lubrication: Pre-lubricated with SRL grease✅ Precision rating: ABEC-5 (EMQ grade)✅ Category: Hybrid ceramic bearing✅ Equivalent to: 6203-2RS1, 6203-2RZ, S6203RS 💡 What makes hybrid ceramic bearings ideal for high-speed use?They offer lower fric