ACB519H8 Bicycle Headset Bearing 40 x 51.9 x 8 mm, 45/45-Degree, 2-Pack

Description

• Dimensions: 40.00 mm inner diameter, 51.9 mm outer diameter, 8.00 mm height.
• Package includes 2 bearings.
• High-performance grease and corrosion protection: Special grease with excellent water resistance and load capacity provides long-term protection against rust and corrosion, even in wet conditions.
• Sealed ACB technology: High-gloss polished raceways, chamfered edges, precision chrome steel balls, and easy installation in headset cups or frame tubes.
• Maintenance for long service life: Avoid directing water jets at bearing areas; water ingress reduces service life.
• Material and compatibility: 52100 chrome steel, factory-greased, suitable for most bicycle models, including mountain bikes, road bikes, and city bikes.

Inner diameter x outer diameter x height (mm): 40 x 51.9 x 8. Chamfer angle: 45/45 degrees. Bearing inner diameter (ID): 40 mm. Bearing outer diameter (OD): 51.9 mm. Bearing height: 8 mm. Inner angle: 45 degrees. Outer angle: 45 degrees. Bearing material: bearing steel. Seal: double-sealed 2RS. Material: chrome steel. Cage material: Nylon PA66.

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