Black bearing bearing 20 × 32 × 7 mm B5 6804-2RS / 61804-2RS UB-6804-B5

BLACKBEARING B5 6804-2RS Bearing – 20 × 32 × 7 mm

EAN: 3760290191921
Part Number: UB-6804-B5
Brand: BLACKBEARING
Type: Deep Groove Ball Bearing (2RS)

The UB-6804-B5 is a premium-quality deep groove ball bearing designed for cycling and precision mechanical applications. The 61804-2RS and 6804-2RS designations refer to the same bearing size. As part of the BLACKBEARING B5 series, it provides excellent rolling performance, low friction, and long service life while offering effective protection against water, dust, and other contaminants.

The 6804-2RS size is an ideal choice for bicycle applications where higher load capacity, durability, and reliable operation are essential.

Key Features

• Premium BLACKBEARING B5 quality
• 6804-2RS / 61804-2RS 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
• Steel cage
• Pre-filled with high-quality lubricant
• Long service life and reliable performance
• Reinforced 2RS seals for enhanced water and dust resistance

Technical Specifications

Applications

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

In Practice

The UB-6804-B5 is an excellent choice for applications where durability, higher load capacity, and long service life are essential. The double 2RS seals effectively prevent moisture and contaminants from entering the bearing while retaining lubricant inside. Precision manufacturing, high-quality SAE52100 steel components, and ABEC 5-grade balls ensure smooth, quiet, and reliable operation even under demanding cycling conditions.