A heavy, rigid base used to mount and elevate a bearing housing above a machine bed or foundation. It absorbs radial loads and vibrations from heavy rotating shafts, keeping them aligned. In heavy machinery, these are often cast iron or steel structures bolted directly to the floor or main frame.
Heard on the job
Check the alignment on the main drive shaft before we torque down the pedestal bolts.
Also heard as
- pillow block
- plummer block