15267 Hybrid Ceramic Bearing 15x26x7mm for Bicycle Bottom Brackets and Spares 15267RS Si3N4 Ball Bearings?2PC?

WHAT IS A HYBEID CERAMIC BEARING? A ceramic hybrid bearing is a combination of ceramic balls and bearing quality steel rings. Which combine hardened steel rings with rolling elements made of high-performance ceramic materials, are an increasingly popular option for demanding applications.    TECHNICAL SPECS Model: 15267-2RS Structure: Deep Groove Ball Material: Hybrid Ceramic Bore Dia (d): 15 mm Outer Dia (D): 26 mm Width (B): 7 mm Closures: Rubber Sealed (2RS) Lubrication: Grease Clearance: C0 Dynamic Load Rating (Cr) (Newtons): 1549 Static Load Rating (Cor) (Newtons): 931 Weight: 0.0092 kg Quantity: 1 Lot = 2 PC