Black bearing bearing headset 40 × 50.8 × 7.14 mm 45° / 90° HB-E1

BLACKBEARING E1 headset bearing – 40 × 50.8 × 7.14 mm (45°/90°)

EAN: 3760290190825
Part number: HB-E1
Type: Headset bearing (sealed cartridge)

The BLACKBEARING E1 is a precision sealed cartridge headset bearing designed for modern integrated bicycle headset systems. It uses a 45°/90° angular contact design to ensure accurate steering, smooth operation, and long service life under varied riding conditions.

Key features

• BLACKBEARING headset bearing
• Sealed cartridge construction
• 45°/90° angular contact design
• Low friction and smooth steering performance
• Effective sealing against dust, mud, and moisture
• Chrome steel races and balls
• Precision-machined surfaces for durability and accuracy
• Long-lasting grease for extended service life
• Designed for integrated headset systems

Technical specifications

In practice

The E1 bearing provides stable and precise steering performance with strong resistance to contamination. It is suitable for road, gravel, MTB, and e-bike applications where reliable long-term headset performance is required.