Tech Articles — how to install chainsaw bearings
How To Install Ceramic Chainsaw Crankshaft Bearings
Posted by Andrew Wellman at
Dominant hybrid ceramic bearings are are strong and reliable if installed properly. The ceramic balls themselves are extremely hard which give them their low rolling resistance and durability.
This hardness is the very reason you want them in your saw, but it also makes them susceptible to fracture or chipping as a result of a improper installation.