Black bearing bearing headset 50 × 61.9 × 8 mm 36° / 45° mm HB-D17

BLACKBEARING D17 headset bearing – 50 × 61.9 × 8 mm (36°/45°)

The BLACKBEARING D17 is a high-quality sealed cartridge headset bearing designed for bicycle steering systems. It offers low friction, precise steering response, and long-lasting durability thanks to its sealed construction and precision-ground bearing surfaces.

Key features

• High-quality BLACKBEARING headset bearing
• Sealed cartridge 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
• Designed for modern bicycle headset systems

Technical specifications

Compatibility

• Headset systems requiring a 50 × 61.9 × 8 mm bearing
• 36°/45° angular contact headset standards
• Specific integrated or oversized headset systems
• Always verify dimensions and contact angles before installation, as these bearings are not universally interchangeable

In practice

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