Hybrid Ceramic Ball Bearing, Chrome Steel with Red Rubber Seal, 30x42x7mm, 6806 2RS High Speed Thin Section for Bicycle (10Pcs)

Experience superior performance with this premium 6806 2RS hybrid ceramic ball bearing, featuring a precision-engineered design that combines chrome steel rings with advanced ceramic balls. The bearing's 30mm inner diameter, 42mm outer diameter, and ultra-thin 7mm width make it ideal for high-speed bicycle applications where space is at a premium. The black silicon nitride ceramic balls offer exceptional wear resistance and reduced friction, while the durable nylon cage ensures smooth, reliable operation. Both sides are protected by distinctive red rubber seals that effectively keep lubricating grease in and contamination out. Pre-lubricated for immediate use, this thin-section bearing delivers outstanding durability and performance in demanding applications. The combination of ceramic balls and chrome steel rings provides an optimal balance of strength, speed, and reliability, making it perfect for precision cycling equipment and other high-performance mechanical systems.

• PRECISION DESIGN: Hybrid ceramic ball bearing featuring chrome steel rings and silicon nitride ceramic balls for superior performance and durability
• DIMENSIONS: Inner diameter 30mm (1.18"), outer diameter 42mm (1.65"), width 7mm (0.28"), perfect thin-section bearing for precise applications
• DUAL PROTECTION: Double-sided rubber seals (2RS) prevent dust and debris infiltration while maintaining optimal lubrication
• CONSTRUCTION: Premium chrome steel rings combined with nylon cage design ensure smooth operation and reduced friction
• VERSATILE APPLICATION: Ideal for high-speed bicycle applications, featuring pre-lubricated design with specialized grease for immediate use