أفضل طريقة لحفظ الكلمات الانجليزية بسهولة وبسرعة ✅

Common motions permitted by bearings are:

•Axial rotation e.g. shaft rotation

•Linear motion e.g. Carriage over the bed, drawer in the table

•spherical rotation e.g. ball and socket joint

•Hinge motion e.g. door

Bearing Loads 

•      Radial Load

•      ThrustLoad

•      Combination of both.

Some type of bearing 

Plain bearings-Sleeve Bearing

Advantages :

It takes up less space.

It has a rigid construction

It will carry loads more effectively

It is suitable for larger diameter shafts

It is cheap to manufacture and cost less.

They operate more silently.

They have good shock load capacity.

Disadvantages:

It has higher  frictional resistance

It is more difficult to lubricate

There are limited choice of designs available