Black bearing bearing 10 × 19 × 5 mm B5 6800-2RS 61800-2RS UB-6800-B5

BLACKBEARING B5 6800-2RS Bearing – 10 × 19 × 5 mm

EAN: 3760290191761
Part Number: UB-6800-B5
Brand: BLACKBEARING
Type: Deep Groove Ball Bearing (2RS)

The UB-6800-B5 is a premium-quality deep groove ball bearing specifically developed for cycling and precision mechanical applications. Also designated as 61800-2RS, this thin-section bearing offers excellent rolling efficiency, low friction, and long service life while providing effective protection against water, dust, and other contaminants. The BLACKBEARING B5 series is renowned for its reliability, smooth operation, and durability in demanding conditions.

Key Features

• Premium BLACKBEARING B5 quality
• 6800-2RS / 61800-2RS standard bearing
• Double rubber seals (2RS)
• Low rolling resistance
• Effective protection against dust and moisture
• Precision manufacturing and assembly
• SAE52100 chrome steel balls (ABEC 5)
• SAE52100 chrome steel rings with precision-ground raceways
• Chrome-plated steel cage
• Pre-filled with high-quality grease
• Long service life and reliable performance
• Reinforced 2RS seals for enhanced water and dust resistance

Technical Specifications

Applications

• Wheel hubs
• Bottom brackets
• Derailleur pulleys
• Pedals
• Suspension pivots
• Other precision rotating assemblies

In Practice

The UB-6800-B5 is an ideal choice for applications where compact dimensions, low weight, and high reliability are essential. Its reinforced 2RS seals help keep water and contaminants out while retaining lubrication inside the bearing. Precision manufacturing, premium materials, and optimized internal geometry ensure smooth, quiet, and durable performance, making it one of the most popular bearings in the BLACKBEARING B5 range.