Bearings

Question 0

Many factors affect the bearings ability to carry a load such as….

Answer 0

Area of contact
direction of load
loaded zone

Question 1

Three directions of bearing load

Answer 1

Radial load
axial load
combination load

Question 2

Some types of bearings are more suited for high speeds and lighter loads, while others are more suitable for what…..

Answer 2

Heavier loads and lower speeds

Question 3

What is the most common ball bearing and what is its nickname

Answer 3

Single row deep groove ball bearing commonly called a Conrad bearing

Question 4

What is the difference between a maximum capacity deep groove ball bearing and a single row deep groove ball bearing

Answer 4

The maximum capacity deep groove has more balls to take heavier loads radially

Question 5

Double row deep groove ball bearing can take higher loads where…

Answer 5

Radially

Question 6

internally self aligning ball bearing is good for what purpose

Answer 6

To align a shaft that must operate at high speeds with extreme accuracy

Question 7

The spherical seat on the outside of the outer ring on an externally self aligning ball bearing allows for what

Answer 7

Misalignment

Question 8

Which bearing accommodates both radial and thrust loads

Answer 8

Single row angular contact ball bearing

Question 9

What are the three arrangements for a single row angular contact ball bearing

Answer 9

Face-to-face
tandem
back to back

Question 10

Face-to-face and back to back arrangements can handle reversing axial loads… What can the tandem arrangement handle

Answer 10

Tandem arrangement can only handle axial load in one direction

Question 11

Is it true that the double row angular contact ball bearing can take heavier radial and axial loads in both directions

Answer 11

Yes

Question 12

Why does a four point angular contact ball bearing have a split inner ring

Answer 12

To accommodate the assembly in some machines

Question 13

What can the four-point angular contact ball bearing only be used for so the load does not run on the split

Answer 13

Combination or axial loads

Question 14

The ball thrust bearing is designed for what load only

Answer 14

Thrust load

Question 15

List four Roller bearing shapes

Answer 15

Cylindrical
needle
tapered
spherical

Question 16

List the four types of roller bearings

Answer 16

Cylindrical
needle
tapered
spherical

Question 17

The spherical shape has a larger load area of contact in a ball bearing of the same diameter which gives it a greater what….

Answer 17

Radial load capacity

Question 18

Cylinder roller bearings handle a small amount of what……. because the raceway is slightly spherical

Answer 18

Misalignment

Question 19

The inner ring of a single row tapered roller bearing is called what

Answer 19

The cone

Question 20

The outer ring of a tapered roller bearing is called what

Answer 20

The cup

Question 21

A 6201 bearing would have a bore of and why
5mm
10mm
12mm
17mm

Answer 21

12mm

because the last two digits are 01

Question 22

What does the K mean in a bearing number
12 to 1 tapered bore
30 to 1 tapered bore
Shielded on both sides

Answer 22

A 12to1 tapered bore

Question 23

And in properly placed ground while welding on equipment is likely to cause what bearing damage
Contamination
Corrosion
Pitting
Spalling

Answer 23

Pitting

Question 24

What is the meaning of C3 in a bearing suffix
Tolerance smaller than normal
Clearance smaller than normal
Clearance greater than normal

Answer 24

Clearance greater than normal

Question 25

Sealed bearing should never be heated above what temperature

Answer 25

175°F or 80°C