Water-Lubricated, Self-Locking System for round-bore housings.
The Johnson Demountable bearing system combines the
performance of precision-fitted bearings, rugged simplicity,
and inherent advantages of a rubber polymer water-lubricated
system. It is made up of keystone-sided molded solid nitrile
staves, precision-fitted to the shaft journal.
When installed, the staves form a self-locking cylindrical bearing
for a round bore housing. The system provides improved water
lubrication, improved shaft alignment, suppression of resonant
vibration and minimizes transference of vibration to ship's structure.
Bearing replacement can be done safely and quickly without
shaft withdrawal. Replacement bearings cost less than one-half
of conventional bearings.

