Hybrid Ceramic Ball Bearing 6902 2RS, 15mm x 28mm x 7mm, Silicon Nitride, Rubber Sealed (10Pcs)

Elevate your mechanical performance with these premium hybrid ceramic ball bearings. These 6902 2RS bearings feature a precise 15mm inner diameter, 28mm outer diameter, and 7mm width, making them ideal for high-performance applications. The innovative design combines chrome steel rings with advanced silicon nitride ceramic balls, delivering exceptional durability and wear resistance. The dual rubber seals (2RS) effectively protect against dust and debris while maintaining proper lubrication. The nylon cage ensures smooth ball guidance and optimal operation. These bearings excel in demanding conditions where traditional steel bearings may fall short, offering reduced friction and superior performance. Perfect for precision equipment and high-speed applications, particularly in bicycle components where reliability is crucial. Pre-lubricated with high-quality grease for immediate use, these bearings provide smooth, quiet operation and extended service life.

• PRECISION DESIGN: Hybrid ceramic ball bearing featuring 15mm inner diameter, 28mm outer diameter, and 7mm width for exact fit and performance
• DUAL PROTECTION: Double rubber-sealed (2RS) design on both sides keeps lubricant in and contaminants out for extended bearing life
• ADVANCED MATERIALS: Chrome steel rings combined with silicon nitride ceramic balls provide superior durability and wear resistance
• SMOOTH OPERATION: Nylon cage design ensures proper ball spacing and smooth rotation while maintaining optimal lubrication
• VERSATILE APPLICATION: Ideal for high-speed bicycle applications and other precision mechanical needs requiring low friction and high reliability