ProTek RC 7x19x6mm Speed Ceramic Front Engine Bearing - PTK-10049

🏁 ProTek RC "Speed" Ceramic Front Engine Bearing (7x19x6mm)

Bearing Overview:
This ProTek R/C rubber-sealed "Speed" ceramic front engine bearing is engineered for maximum performance in .21 off-road competition buggy engines. Designed to fit O.S. MAX .21 engines such as the RG, VZ-B, and VZ-B V-Spec, it is also compatible with many other .21 competition engines—including RB Concepts WS7/WS7II/C6-BB and Novarossi P5 series—so long as they use a 7x19x6mm front bearing.

The rubber seal prevents fuel leakage from the front of the engine during use, ensuring a clean, efficient, and more reliable running engine.

Dual Front & Rear Seals

This bearing includes seals on both sides. You may run it with both seals intact, but ProTek recommends removing the inner seal (the side facing inside the engine) to ensure proper lubrication of the ceramic balls during operation.

Why Ceramic?

ProTek Hybrid Ceramic Bearings use stainless-steel outer races combined with Si3N4 silicone nitride ceramic balls. Compared to standard steel bearings, ceramic balls deliver:

• Higher RPM capability
• Lighter rotating mass
• Superior wear resistance
• Lower friction & vibration
• Improved heat resistance
• Better corrosion resistance
• Longer overall lifespan

When asking “Why ceramic?” the real question is — why not?

Advantages of Ceramic Bearings

• High Speed: Capable of resistance levels up to 1,200,000 dN with grease lubrication
• Lightweight: Ceramic is 60% lighter than steel
• Long Service Life: 3–5× longer lifespan than steel bearings
• Self-Lubricating: Functions even with low or no lubrication
• Corrosion Resistant: Performs reliably even when exposed to moisture
• High Rigidity: 1.5× greater elasticity ratio than bearing steel
• Low Friction: Exceptionally smooth rotation reduces heat and wear
• Wear Resistant: Ceramic balls reach HV1700 Vickers hardness

📦 Includes

• (1) ProTek RC 7x19x6mm "Speed" Ceramic Front Engine Bearing

🔎 Part Number

PTK-10049