BLACKBEARING UB-686-CS Ceramic Hybrid Bearing (6 x 13 x 5 mm)
EAN: 3760365231378
Part Number: UB-686-CS
Brand: BLACKBEARING
Type: Hybrid ceramic industrial bearing (686-2RS)
The BLACKBEARING UB-686-CS is a premium micro-sized hybrid ceramic bearing engineered specifically for precision cycling components. The silicon nitride ceramic balls provide minimal rolling resistance, reduced friction, and an extended lifespan compared to standard steel bearings.
Equipped with 2RS rubber seals, it offers effective protection against dust, water, and dirt, ensuring reliable operation even in harsh riding conditions.
Key Features
- Hybrid ceramic construction (silicon nitride balls)
- Ultra-low rolling resistance and reduced friction
- 2RS dual rubber seals for water and dust protection
- Long service life and excellent corrosion resistance
- Ideal for derailleur pulley wheels, pedals, suspension pivots, and other small-axle components
Technical Specifications
| Brand |
BLACKBEARING |
| Model / Part Number |
UB-686-CS |
| Standard Size |
686 (2RS) |
| Inner Diameter |
6 mm |
| Outer Diameter |
13 mm |
| Width |
5 mm |
| Type |
Hybrid ceramic bearing |
| EAN |
3760365231378 |
Applications
- Road, MTB, gravel, and triathlon bicycles
- Rear derailleur pulley wheels and drivetrain components
- Pedals, suspension pivots, and small-diameter pivot systems
- Bicycle workshop servicing and performance upgrades
