Ball Bearings for OS Engines FS FI Surpass II 91

Ball Bearings Kit for OS Engines FS FI Surpass II 91
✔️ Rubber Sealed - Chrome Steel, ABEC-1 Precision

This two-piece ball bearing kit is made for the OS Engines FS FI Surpass II 91. Built from corrosion-resistant chrome steel, these bearings feature double-sided rubber seals for solid protection and come pre-lubricated with low-friction grease. Designed to keep your RC engine running smooth and reliable.

✅ Pack size: 2 bearings
✅ Material: Chrome steel (52100 high chromium steel)
✅ Closure: Rubber sealed on both sides
✅ Lubrication: Low friction grease
✅ Cage: Low friction steel cage
✅ Precision rating: ABEC-1
✅ Designed for OS Engines FS FI Surpass II 91

💡 Why use sealed chrome steel ball bearings in RC engines?
They deliver solid performance under heat and vibration:

• Rubber seals block out dirt and keep grease in

• Chrome steel resists wear and moisture exposure

• Low-friction cage and grease help extend engine life

• Precision ABEC-1 spec for reliable RPM handling

If you're tuning or rebuilding your OS engine, this bearing set is ready to keep it spinning right, grab your kit and get back in action!