6004-2RS Hybrid Ceramic Bearing 20x42x12mm - C3 - Sealed

6004-2RS Hybrid Ceramic Ball Bearing - C3 Clearance✔️ 20mm x 42mm x 12mm - Sealed, Chrome Steel with Ceramic Balls This 6004-2RS hybrid ceramic bearing combines a chrome steel body with ultra-smooth ZrO₂ ceramic balls for high-speed, low-friction performance. Sealed on both sides with rubber seals and pre-lubricated with grease, it’s ready to handle electric motor applications, mechanical systems, and industrial use where durability and thermal efficiency matter. ✅ Size: 20mm x 42mm x 12mm✅ Inner diameter: 20mm✅ Outer diameter: 42mm✅ Width: 12mm✅ Material: Chrome steel (races and cage)✅ Balls: Zirconia ceramic (ZrO₂)✅ Closures: Double rubber seals (RS/2RS1)✅ Clearance: C3 (for high-speed or thermal expansion)✅ Lubrication: Pre-greased✅ Quality: Electric motor rated✅ Quantity: 1 bearing✅ Equivalents: 6004-2RS1, 6004RS1 💡 Why choose hybrid ceramic bearings for electric motor applications?Hybrid ceramic bearings reduce heat, run quieter, and spin faster than standard steel bearings. The c