Black bearing bearing 20 × 27 × 4 mm B5 6704-2RS UB-6704-B5

BLACKBEARING B5 6704-2RS Bearing – 20 × 27 × 4 mm

EAN: 3760290191723
SKU: UB-6704-B5
Brand: BLACKBEARING
Type: Deep Groove Ball Bearing (2RS)

The BLACKBEARING UB-6704-B5 is a premium-quality deep groove ball bearing designed for bicycle applications and precision mechanical systems. The 6704-2RS is a standard bearing size with dimensions of 20 × 27 × 4 mm.

The BLACKBEARING B5 series provides excellent rolling performance, low friction, and long service life. The bearing is manufactured with high-quality steel components, precision-machined raceways, and reinforced 2RS rubber seals, providing effective protection against water, dust, and contamination.

Key Features

• Premium BLACKBEARING B5 quality
• 6704-2RS standard
• Double rubber seals (2RS)
• Compact, space-saving design
• Low rolling resistance
• Protection against water and dust
• Precision manufacturing
• High-quality steel components
• Filled with premium lubricant
• Smooth and reliable operation

Technical Specifications

Applications

• Bicycle components
• Wheel systems
• Derailleur components
• Pedals
• Lightweight rotating parts
• Precision mechanical applications

In Practice

The BLACKBEARING UB-6704-B5 is an ideal choice for applications where compact dimensions, low friction, and reliable operation are essential. Its 20 × 27 × 4 mm design allows use in space-limited bicycle systems, while the 2RS sealing system provides long-term protection against external contaminants.

The combination of precise manufacturing, quality materials, and reliable sealing ensures smooth and durable performance in demanding cycling applications.