Black bearing bearing headset 39 × 46.9 × 7 mm 45° / 45° HB-C18

BLACKBEARING C18 headset bearing – 39 × 46.9 × 7 mm (45°/45°)

The BLACKBEARING C18 is a high-quality sealed cartridge headset bearing designed specifically for bicycle applications. Precision manufacturing, low friction, and a durable sealing system ensure smooth steering performance and long service life, even under demanding riding conditions.

Key features

• High-quality BLACKBEARING headset bearing
• Sealed cartridge bearing design
• 45°/45° angular contact configuration
• Low rolling resistance
• High level of protection against water, dust, and contaminants
• Chrome-plated steel construction
• Ground bearing races for improved smoothness and durability
• Premium-quality lubricant for extended service life
• Metal cage construction for reliable ball retention
• Optimized for bicycle headset applications

Technical specifications

Compatibility

• Suitable for headset systems requiring a 39 × 46.9 × 7 mm bearing
• 45°/45° angular contact design
• Designed for 1.5" steerer tube applications
• Compatible only with headset systems using the same dimensions and contact angles
• Always verify bearing dimensions and contact angles before installation, as different angles and heights may not be interchangeable

In practice

• An ideal replacement for worn or damaged headset bearings
• Provides smooth and precise steering performance
• The double-lip 2RS sealing system effectively protects against water, mud, and dust
• Precision-ground raceways improve bearing smoothness and longevity
• Designed to deliver reliable performance in road, gravel, MTB, and e-bike applications