Ceramic Stainless Steel Sealed Ball Bearing 5x12x4 Miniature, Double Sided Rubber Sealed For Dust Protection, Pre Lubricated, High Precision Small Bearing For Hobby RC Cars Drones And Micro Machinery

Ceramic Sealed Ball Bearing 5x12x4 mm, Single Unit
✔️ 5x12x4 mm sealed ceramic ball bearing, pre-lubricated

This miniature sealed ball bearing uses a ceramic inner race and stainless steel components, designed for precision in tight spaces. It's commonly used in small machinery, hobby projects, RC parts, and linear motion systems where dust protection matters.

✅ Size: 5 mm bore x 12 mm outer diameter x 4 mm width
✅ Material: stainless steel outer race with Si3N4 ceramic balls
✅ Seals: rubber seals on both sides for dust protection
✅ Pre-lubricated with grease
✅ Pack: 1 bearing

💡 What is a sealed ceramic ball bearing used for in small machines? This handy part helps reduce friction and protect delicate components in tight spaces.

- Handy for compact assemblies with limited space needing low friction - Great for hobby projects, RC parts, and miniature gear drives - Sealed design guards against dust and moisture in harsh environments - Ceramic balls and stainless steel races deliver longer life and smoother operation