Black bearing bearing headset 40 × 51 × 7 mm 45° / 45° HB-D7

BLACKBEARING D7 headset bearing – 40 × 51 × 7 mm (45°/45°)

EAN: 3760290190771
Model: D7
Type: Headset bearing (sealed cartridge)

The BLACKBEARING D7 is a high-quality sealed cartridge headset bearing designed for modern bicycle steering systems. It provides smooth steering performance, low friction, and reliable long-term durability.

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-ground surfaces for smooth operation
• Long-lasting grease for extended service life
• Designed for modern integrated headset systems

Technical specifications

Compatibility

• Headset systems requiring a 40 × 51 × 7 mm bearing
• 45°/45° angular contact standards
• Specific integrated headset systems only
• Always verify exact dimensions before installation

In practice

• Ideal replacement for worn headset bearings
• Provides smooth and precise steering response
• Sealed design protects against contamination
• Durable construction ensures long service life
• Suitable for road, gravel, MTB, and e-bike use