BLACKBEARING BB-T47A-D-B5 Bottom Bracket (T47A - 77 mm - SRAM DUB)
EAN: 3760365231132
Part Number: BB-T47A-D-B5
Brand: BLACKBEARING
Type: Premium B5 steel bearing bottom bracket set
The BLACKBEARING BB-T47A-D-B5 is a high-performance bottom bracket designed for frames with asymmetric T47A (77 mm) bottom bracket shells and SRAM DUB (28.99 mm) spindle cranksets. Premium BLACKBEARING B5-grade steel bearings deliver exceptionally smooth rotation, high load capacity, and long-term durability for daily riding and intense training sessions alike.
It is an ideal choice for cyclists looking for a reliable, durable, and precise-fitting bottom bracket solution for SRAM DUB setups.
Key Features
- Premium BLACKBEARING B5 quality steel bearings
- Engineered for the asymmetric T47A (77 mm) threaded frame standard
- Fully compatible with SRAM DUB (28.99 mm spindle) cranksets
- Superior dust and water sealing for long-lasting operation
- Precision-machined aluminum cups for an exact fit and maximum stiffness
- Reliable performance on road, gravel, and mountain bikes
Technical Specifications
| Brand |
BLACKBEARING |
| Model / Part Number |
BB-T47A-D-B5 |
| Frame Standard |
T47A (Asymmetric T47 - e.g., Cervélo, Factor frames) |
| Shell Width |
77 mm |
| Crankset Compatibility |
SRAM DUB (28.99 mm spindle) |
| Bearing Type |
B5 Steel |
| EAN |
3760365231132 |
Compatibility
- Frames equipped with T47A 77 mm asymmetric threaded bottom bracket shells
- SRAM DUB spindle road, gravel, and MTB cranksets
Applications
- Road, gravel, and triathlon bicycles
- Workshop servicing, maintenance, and replacement