BLACKBEARING UB-30407-CS Ceramic Hybrid Bearing (30 x 40 x 7 mm)
EAN: 3760290197763
Part Number: UB-30407-CS
Brand: BLACKBEARING
Type: Hybrid ceramic industrial bearing (30407-2RS / 6806 / 61806-2RS)
The BLACKBEARING UB-30407-CS is a premium hybrid ceramic bearing engineered specifically for high-performance cycling components. The silicon nitride ceramic balls provide lower rolling resistance, reduced friction, and a significantly extended service life compared to standard steel bearings.
Equipped with 2RS rubber seals, it offers effective protection against dust, water, and dirt, ensuring smooth and reliable rotation even under demanding weather and riding conditions.
Key Features
- Hybrid ceramic construction (silicon nitride balls)
- Ultra-low rolling resistance and minimal friction
- 2RS dual rubber seals for water and dust protection
- High durability and superior corrosion resistance
- Ideal for bottom brackets, bicycle hubs, and high-precision rotating components
Technical Specifications
| Brand | BLACKBEARING |
| Model / Part Number | UB-30407-CS |
| Standard Size | 30407 / 6806 / 61806 (2RS) |
| Inner Diameter | 30 mm |
| Outer Diameter | 40 mm |
| Width | 7 mm |
| Type | Hybrid ceramic bearing |
| EAN | 3760290197763 |
Applications
- Road, MTB, gravel, and triathlon bicycles
- BB30 / PF30 bottom brackets and 30 mm axle systems
- Bicycle workshop servicing and high-performance drivetrain upgrades
