Hybrid Ceramic Bearing 40 By 62 By 12 Mm Abec 1 Bicycle Bottom Bracket Spares 6908RS Si3N4 Ball Bearings Smooth Quiet Durable For Mechanical Gearheads And DIY Bikes

Hybrid Ceramic Bearing 40x62x12 mm for bikes and gear
✔️ 1 PC; ABEC 1; Deep Groove; 40x62x12 mm; 2RS sealed

This hybrid ceramic bearing is designed for bicycle bottom brackets and other small mechanical assemblies. It combines Si3N4 ceramic balls with steel races to deliver smooth rotation, low noise, and a long service life, backed by grease lubrication in a sealed 2RS structure.

✅ Model: 6908 RS
✅ Structure: Deep Groove Ball
✅ Bore x Outer x Width: 40x62x12 mm
✅ Material: Hybrid Ceramic with steel races
✅ Closures: Sealed (2RS); Lubrication: Grease
✅ Weight: 0.118 kg; Quantity: 1 PC

💡 What is a hybrid ceramic bearing and where is it commonly used in bikes and DIY gearheads? It's a handy, low-friction choice for rotating parts in mechanical projects. - Ceramic balls (Si3N4) reduce wear and heat for longer life - Sealed 2RS keeps grease in and dirt out - Hybrid design pairs ceramic balls with steel races for strength and light weight - Common in bicycle bottom brackets, small motors, and other gearheads