Black bearing bearing headset 40 × 52 × 7 mm 36° / 45° mm HB-D14

BLACKBEARING D14 headset bearing – 40 × 52 × 7 mm (36°/45°)

The BLACKBEARING D14 is a high-quality sealed cartridge headset bearing designed for bicycle applications. Precision manufacturing, optimized contact angles, and an effective sealing system ensure smooth steering performance, low friction, and long service life.

Key features

• High-quality BLACKBEARING headset bearing
• Sealed cartridge bearing design
• 36°/45° angular contact configuration
• Low rolling resistance
• High protection against dust, mud, and moisture
• Chrome steel races and balls
• Precision-ground contact surfaces for smooth operation
• Durable grease for extended service life
• Optimized for bicycle headset systems

Technical specifications

Compatibility

• Suitable for headset systems requiring a 40 × 52 × 7 mm bearing
• 36°/45° angular contact design
• Used in specific headset standards where this exact size is required
• Always verify dimensions and contact angle before installation, as headset bearings are not universally interchangeable

In practice

• Ideal replacement for worn or damaged headset bearings
• Provides smooth and precise steering feel
• The sealed construction effectively protects against dirt and moisture
• Durable construction ensures long service life
• Reliable performance for road, gravel, MTB, and e-bike use