Explain two Types of bearing?

Plain Bearings and Rolling Element Bearings -

Explanation:

two different type of bearing are:

1) Plain Bearings - Plain bearings are the easiest form of bearings and consist of only the layer of the bearings without rolling components.

2) Rolling Element Bearings - Rolling element bearings use balls or rollers between two rings - allowing movement with little rotating and sliding friction. These type of bearings include bearings for balls and rollers.