Hybrid Ceramic Ball Bearing 6806 2RS, 30x42x7mm, Chrome Steel with Silicon Nitride Balls, Rubber-Sealed (2Pcs)

Experience superior performance with this premium 6806 2RS hybrid ceramic ball bearing. Featuring a robust chrome steel ring construction and advanced silicon nitride ceramic balls, this bearing delivers exceptional durability and smooth operation. The precision-engineered design boasts a 30mm inner diameter, 42mm outer diameter, and 7mm width, making it ideal for high-speed applications, particularly in bicycle components. Both sides are rubber-sealed to protect against dust and debris, while the nylon cage ensures optimal ball spacing and reduced friction. The bearing comes pre-lubricated with high-quality grease for immediate use. The combination of ceramic balls and steel rings offers remarkable advantages including reduced weight, outstanding wear resistance, and excellent performance in demanding conditions. This thin-section bearing is particularly well-suited for applications requiring high precision and reliability. Perfect for upgrading your bicycle's bearing system or other precision mechanical applications requiring a 30mm bore diameter.

• PRECISION DESIGN: Hybrid ceramic ball bearing featuring 30mm inner diameter, 42mm outer diameter, and 7mm width for optimal performance
• PREMIUM MATERIALS: Chrome steel rings with silicon nitride ceramic balls and nylon cage construction for superior durability
• SEALED PROTECTION: Rubber seals on both sides safeguard against dust and debris whilst maintaining proper lubrication
• VERSATILE APPLICATION: Ideal for high-speed bicycle applications requiring thin-section bearings with 30mm bore diameter
• SUPERIOR PERFORMANCE: Ceramic ball design offers reduced weight, excellent wear resistance, and enhanced electrical insulation properties