Ceramic Bearing Vs Sealed Bearing

External bearing construction the seals.

Ceramic bearing vs sealed bearing.

The concept behind a bearing is simple. The influx of ceramic bearing development into the bike industry sparked needed focus on reducing rolling friction in bearings. However the reality of why some bearing designs are faster than others doesn t always align with what is presented. Five different parts go into building skateboard bearings and longboard bearings.

Things don t slide or roll. Below we go into a brief description explaining the role of ceramic bearings and then compare hybrid vs. This is the only way to identify whether a bearing is sealed. Thanks to all my patreon subs.

Ceramic bearings vs steel. Bearings are an important component of bikes their overall quality and design can mean a lot if you are customising your bike and looking for a superior performance. If the bearing number uses the afbma code look for ee or 2rsi for skf to determine if the bearing is sealed on both sides. This is mostly due to the additional time spent to perfect a quality ceramic ball.

Ceramic bearings are often represented as the ultimate way to minimize rolling friction on your bike. The different elements balls retainers and closures can change a bit. Bearing seals come in 4 generic types. There are open bearings these have no seals metal shielded bearings these have a metal strip over the bearing cage non contact seal bearings and fully contacting sealed bearings.

Today we do a quick comparison of two identical cars with the exception of the ceramic bearings and titanium screws. Abec ratings annual bearing engineers committee 1 3 5 7 and 9 were meant to provide a good better best sort of metric but chuck panaccione from enduro bearings says this. The first thing that strikes the eye when looking at bicycle bearings is the difference in price between steel bearings and hybrid ceramic bearings. Richard picard field applications engineer at nmb technologies corporation explains that compared to open bearings shielded and sealed bearings provide better protection from contamination and also add protection against lubrication migration.

Optimization is possible for the disparity that exists between these parts. Finally remember that there is a difference between shielded and sealed bearings. The selection of a shield or seal is dependent on the. By joyce laird contributing editor ball bearings are available with and without enclosures.