Roulement à billes en céramique libre d'un quart de pouce, de type « Inch » Al2O3 , en oxyde d'alumine, pour roulements de vélo. Bille en céramique haute résistance, adaptée aux moyeux de roue et aux assemblages de précision. Longue durée de vie et résistance à l'usure.

1/4 Inch Alumina Ceramic Ball Bearing, Al2O3
✔️ Loose 1/4 in ceramic ball, Al2O3 alumina oxide, single ball

This 1/4 inch loose ceramic ball is crafted from high-strength Al2O3 (alumina oxide) and is a popular choice for bicycle bearings and precision mechanisms. It delivers low friction, high hardness, and solid corrosion resistance in compact bearing setups.

✅ Size: 1/4 in (6.35 mm) diameter
✅ Material: Al2O3 alumina oxide ceramic
✅ Type: Loose ceramic ball bearing (single ball)
✅ Quantity: 1 ball

💡 What are ceramic bearing balls used for in precision bicycles and machinery?

These handy ceramic balls help reduce friction and wear in small bearings, boosting efficiency and longevity in bikes and precision gear.

- Reduces rotational resistance for smoother operation
- Provides high hardness for longer wear life
- Offers corrosion resistance in wet environments
- Maintains tight tolerances for reliable performance

1/4" Loose Ball Bearing Ceramic Balls Al2O3 G10 Alumina Oxide One Ball