Ball Bearings Kit For OS Engines CV-R 12 With Rubber Sealed Closure And Double Sided Seals Low Friction Grease Lubrication Corrosion Resistant Chrome Steel Balls 52100 Low Friction Cage ABEC 1 Precision Set

These bearings are built for RC engines and other compact machinery, delivering smooth rotation, low friction, and durable performance under high RPM. They’re a solid fit for OS CV-R12 setups and similar small-drive systems.

✅ ABEC-1 precision class
✅ Chrome 52100 steel balls for lasting durability
✅ Rubber sealed closure with double-sided seals
✅ Low friction grease lubrication
✅ Cage: low friction steel
✅ Pack of 2 bearings for OS CV-R12

💡 What is a ball bearing used for in hobby RC engines? This handy part keeps RPM smooth and protects gear meshes, extending engine life. - reduces friction during high-speed operation
- supports smooth rotation under radial load
- seals keep out dirt to prevent corrosion
- uses high chromium steel for durability