A pillow block bearing is a pedestal used to provide support for a rotating shaft with the help of compatible bearings & various accessories. The assembly consists of a mounting block which houses a bearing.

Is there any bearing in plummer block?

Plummer block housings can be used with high-capacity spherical roller bearings or self-aligning ball bearings. They are manufactured from high-strength cast iron as standard but are also available in cast steel or spheroidal graphite cast iron.

What is the advantage of plummer block over the bush bearing?

Advantage of plummer block over a simple bushed bearing

Bearing inside plummer block works fine in any kind of atmosphere as it is safely ensconced inside a casing.