Black bearing bearing headset 40 × 51 × 6.5 mm 45° / 45° HB-D8

BLACKBEARING D8 headset bearing – 40 × 51 × 6.5 mm (45°/45°)

EAN: 3760290190788
Model: D8
Type: Headset bearing (sealed cartridge)

The BLACKBEARING D8 is a high-quality sealed cartridge headset bearing designed for modern bicycle steering systems. Its precision construction, low rolling resistance, and reliable sealing ensure smooth steering performance, accurate handling, and long service life.

Key features

• High-quality BLACKBEARING headset bearing
• Sealed cartridge construction
• 45°/45° angular contact design
• Low rolling resistance
• Effective protection against dust, mud, and moisture
• Chrome steel races and balls
• Precision-machined surfaces for smooth operation
• Durable grease for extended service life
• Designed for modern integrated headset systems

Technical specifications

Compatibility

• Headset systems requiring a 40 × 51 × 6.5 mm bearing
• 45°/45° angular contact headset standards
• Integrated headset systems
• Always verify exact dimensions and contact angles before installation

In practice

• Ideal replacement for worn or damaged headset bearings
• Provides smooth and precise steering feel
• Sealed design protects the bearing from contamination and moisture
• Durable construction ensures long service life
• Suitable for road, gravel, MTB, and e-bike applications
• Reliable performance in demanding riding and weather conditions