Ball Bearings for OS Engines FS 70 II Surpass 70
Ball Bearings Kit for OS FS 70 II Surpass Engine
✔️ Rubber Sealed - Chrome Steel, ABEC-1 Precision
This is a set of two ball bearings designed for the OS Engines FS 70 II Surpass model. Built with corrosion-resistant chrome steel and packed with low-friction grease, these ABEC-1 precision bearings are made to handle the RPM, vibration, and heat of model engine performance.
✅ Set includes 2 bearings for OS FS 70 II Surpass
✅ Rubber sealed on both sides
✅ Chrome steel construction for durability
✅ High chromium 52100 SAE steel balls
✅ Pre-lubricated with low-friction grease
✅ Steel cage for reduced drag
✅ ABEC-1 quality rating
Specs Table:
| Closure Style | Lubrication | Material | Precision | Quantity |
|---|---|---|---|---|
| Double rubber seals | Low-friction grease | Chrome steel + 52100 balls | ABEC-1 | 2 bearings |
💡 Why do gas engine model bearings need rubber seals and precise build quality?
They’re built to survive RPM, heat, and rough running conditions.
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Rubber seals lock out fuel and dust
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High-grade steel resists corrosion from combustion
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Pre-lubed for smooth crankshaft motion
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Ideal for glow engines and RC airplane motors
If you're running an OS Surpass 70, don’t gamble on rough bearings-this kit is tuned for smooth starts and high-rev action. Add a set and keep your engine soaring.