Bearings and rapping shaft in electrostatic precipitator

In combination with an electrostatic precipitator having a housing with a flow through inlet and a flow through outlet and a plurality of discharge and collecting electrodes therein, said housing including an opening therein with a rapping shaft extending therethrough, said rapping shaft being in communication with rapping means for said electrodes, a bearing assembly for said rapping shaft comprising:

• two spaced bearings each supported by an elongated rod member mounted in spaced relation in slots open at the top extendng downwardly into a bearing block, the rapping shaft including a wear ring on the outer periphery thereof, the wear ring being detachably mounted to said shaft and disposed in contacting relationship with said bearings.