There are many types of bearings used in engineering. Bearings are able to reduce friction and withstand loads or thrust.
Choose the bearing which matches the diagram.

1. What sort of bearing is this?
   
   

   1.   ?    Roller bearing
   2.   ?    Ball bearing
   3.   ?    Plain bearing
   4.   ?    Taper roller bearing
   5.   ?    Needle roller bearing

2. What sort of bearing is this?
   
   

   1.   ?    Ball bearing
   2.   ?    Roller bearing
   3.   ?    Taper roller bearing
   4.   ?    Needle roller bearing
   5.   ?    Plain bearing

3. What sort of bearing is this?
   
   

   1.   ?    Plain bearing
   2.   ?    Taper roller bearing
   3.   ?    Ball bearing
   4.   ?    Needle roller bearing
   5.   ?    Roller bearing

4. What sort of bearings are these?
   
   
   
   

   1.   ?    Plain bearing
   2.   ?    Ball bearing
   3.   ?    Roller bearing
   4.   ?    Needle roller bearing
   5.   ?    Taper roller bearing

5. What sort of bearing is this?
   
   

   1.   ?    Taper thrust bearing
   2.   ?    Plain bearing
   3.   ?    Ball Bearing
   4.   ?    Roller bearing
   5.   ?    Needle roller bearing