Ball Bearings Kit for OS Engines FS Surpass RC 4C 91 and 91 Featuring Double Sided Rubber Seals Low Friction Grease Chrome Steel Construction ABEC 1 Precision by VXB Set of Two Bearings

Ball Bearing Kit for OS Engines FS Surpass 91 RC 4 Stroke
✔️ Sealed Chrome Steel Bearings Set for RC Aircraft Engines

This is a matched set of two sealed ball bearings made specifically for OS Engines FS Surpass 91 RC four stroke engines, built to support smooth rotation, stable RPM, and dependable performance in high-speed RC engine setups.

✅ Pack size: set of 2 ball bearings
✅ Designed for OS Engines FS Surpass 91 RC 4C engines
✅ Double-sided rubber seals to keep grease in and contaminants out
✅ Low friction grease for smooth startup and consistent running
✅ Corrosion-resistant chrome steel races for long service life
✅ High chromium 52100 steel balls for strength and durability
✅ Low friction steel cage to support stable rotation
✅ ABEC-1 precision suitable for RC engine applications
✅ Brand: VXB

💡 Why are sealed ball bearing kits important for RC four stroke aircraft engines?
Sealed bearing kits are used to maintain reliability and performance in high-RPM RC engines.

• Rubber seals protect against fuel residue, dust, and debris

• Proper lubrication reduces friction and heat during long runs

• Matched bearings help maintain engine balance and smooth output

• Durable steel materials extend service life under vibration

This bearing kit is a handy choice when refreshing or maintaining an OS FS Surpass 91 engine to keep it running smooth, responsive, and ready for the next flight.