Soft bearing balancing Machines can be converted to hard bearing balancing machines by replacing the weak supports with rigid supports, without disturbing the alignment. The view shows the support plates replaced on a soft bearing machine to convert it into a hard bearing system. The Precibalance instrumentation kit supports both hard bearing as well as soft bearing machines. The user has an option of upgrading the soft bearing machine as is, or if they prefer convert to a hard bearing machine and upgrade.