I got the bearings replaced. In case someone else needs to know...
1. bearing for drive disc is 65601-3526-1, a Koyo 6006RD and cross references to a 6006 2RS, also a Timken 9106PP
2. bearing for the blade holder is 65601-3525-0, a Koyo 6303 2RS, and cross references to a Timken 9103PP
3...