Two Pack 6806 Ceramic Bearing Set For BB30 Bikes, 30x42x7mm Si3N4 Ceramic Balls, 6806 2RS With Nylon Cage, Deep Groove Radial Bearings, ABEC 3 High Performance Racing Wheel Hub Upgrade For A Smoother Ride
✔️ 30x42x7 mm deep groove bearing, Si3N4 ceramic balls, nylon cage, ABEC-3
This two bearing set is designed for BB30 hubs, delivering smooth rotation and reduced friction for high-performance wheel hubs. These 6806 bearings feature Si3N4 ceramic balls and a nylon cage for durability and light weight, making them ideal for road and performance bikes.
✅ 30x42x7 mm dimensions (ID 30 mm, OD 42 mm, T 7 mm)
✅ 6806 ceramic bearing with Si3N4 ceramic balls for low friction
✅ Nylon cage with steel rings for durability
✅ ABEC-3 precision for consistent performance
✅ Pack: 2 bearings per bag; seal cap colors vary by batch
💡 What is a ceramic bearing used for in bike hubs? Ceramic bearings help reduce friction and wear in high-speed bike hubs, improving smoothness and longevity. - low friction operation in BB30 hubs - heat resistance and long life with Si3N4 balls - compatibility with steel races and nylon cages - sealed designs guard against dirt and moisture
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