Ceramic Vs Steel Bearings Hubs

Ceramic bearings exist to help manage heat in high rpm applications.

Ceramic vs steel bearings hubs.

Ceramic balls truly are superior to steel. Things don t slide or roll. I replaced the bearings of my 98 campy chorus rear hub a couple of years ago. In the humble opinion of kogel bearings outside of derailleur pulleys full ceramic.

Ceramic deals with heat better so. Rolling resistance is the key trump card promoted by ceramic bearing fans. Bearing friction vs life. The concept behind a bearing is simple.

An often neglected part of tribology is how a bearing responds as it wears out. Ceramic vs steel bearing bb for durability. If there is one thing we see a lot in comments sections about ceramic bearings it is people claiming ceramic bearings do not offer benefits and are not worth their cost. Let s analyze the pros cons and applications.

They don t expand or deform when they contact each other hertzian stress as much as steel bearings when they get really hot. Five different parts go into building skateboard bearings and longboard bearings. I haven t had to touch them since. Ceramic bearings vs steel bearings ceramic materials offer superior corrosion and heat resistance higher dimensional stability and lower density which facilitates high speed.

The graph below shows a comparison between two steel bearings skf and ntn and a ceramic bearing enduro. Because ceramic bearings are rounder with a smoother surface and more uniform size friction is reduced and that can contribute to a less energy required to turn the cranks or spin the wheels. Optimization is possible for the disparity that exists between these parts. For the simplicity of this article we only look at hybrid ceramic bearings with steel races.

I am considering transitioning to the ceramic bb bearings and complimentary smooth races. While a formula 1 engine revving to 15 000 rpm can create a lot of heat that can deform and swell steel bearings. Ceramic bearings vs steel.