Antifriction Bearings

Question 0

A external self aligning ball bearing gets its misalignment capabilities

Answer 0

A Spherical seat between the outer ring and the outer housing

Question 1

The ISO basic number for each standard antifriction Bering includes information about its

Answer 1

Bore size bearing size bearing series

Question 2

What does the suffix K mean

Answer 2

At 12 to 1 tapered bore

Question 3

Sealed bearing should never be heated above

Answer 3

80°C or 175°F

Question 4

What is the meaning of C3 in the Bering suffix

Answer 4

Clarence greater than normal

Question 5

What with the fit chart reading of k6, 4L – 6T tell you

Answer 5

Bearing bore shaft transition fit

Question 6

You are mounting spherical roller bearing with the tapered bore what would be the installed clearance be if the bench Clarence is .006 inches

Answer 6

.003 inches

Question 7

List three states of lubrication

Answer 7

Boundary lubrication
Mixed film lubrication
Hydrodynamic lubrication

Question 8

List the four main parts of a single row deep groove ball bearing

Answer 8

Cage
Race Ways
Rolling elements
Outer and inner rings

Question 9

How could you visually identified the maximum capacity ball bearings

Answer 9

The large area of contact the larger The load capacity of the Bering this is because the load distributes over a larger area

Question 10

What is the internal clearance in a Spherical roller bearing called prior to installation

Answer 10

Bench clearance

Question 11

What functions do shields perform in antifriction bearings

Answer 11

To keep dirt out of the Bering

Question 12

What function do seals perform in the antifriction bearing

Answer 12

Keep dirt out of the Bering also there’s a small gap between the shaft and the seal to allow lube to ride

Question 13

What is the function of the grooves cut into the outer circumference of the outer ring of some antifriction bearings

Answer 13

To allow for lubrication to be injected

Question 14

What feature would indicate an internally self aligning bearing

Answer 14

Spherical outer race

Question 15

What are the three types of fits

Answer 15

Clearance
Transition
Interference

Question 16

List three factors that could influence the type a bearing selected for an application

Answer 16

Area of contact
Direction of load
Load zone

Question 17

Define axial load

Answer 17

Runs parallel to the journal or shaft

Question 18

Define radial load

Answer 18

Runs perpendicular to the shaft or journal

Question 19

Single roll deep groove a ball bearing most commonly called

Answer 19

Conrad bearing

Question 20

Maximum capacity deep groove ball bearing

Answer 20

Is similar to the deep groove ball bearing except that it is assembled with more balls

Question 21

Single roll angular contact ball bearing

Answer 21

Accommodates both radio and trust notes

Question 22

Ball thrust bearing

Answer 22

Is designed for pure thrust load only

Question 23

What does the suffix C-1 through C-5 mean which is the biggest and which is the smallest

Answer 23

Indicates the amount of internal Clarence c1 being the smallest C5 the largest a normal clearance lies between C2 and C3

Question 24

When hot mounting a bearing what temperature should you bring the Bering to about

Answer 24

80°C but never heat above 120°C

Question 25

What kind of load can a single roll angular contact ball bearing

Answer 25

Combination one direction axial

Question 26

What kind of load Can a self aligning ball bearing

Answer 26

Radial

Question 27

What kind of load a single roll tapered roller bearing

Answer 27

Combination or one direction axial

Question 28

What kind of load will a double row tapered roller bearing have

Answer 28

Combination or reversing thrust

Question 29

What kind of load will a needle bearing have

Answer 29

Radial load only

Question 30

Kind of load will a carb bearing have

Answer 30

Radial only

Question 31

Is a common designation for shield

Answer 31

Z

Question 31

What are the common designation for a rubbing seal

Answer 31

RS

Question 31

What type of load can a single roll deep groove ball bearing handle

Answer 31

Combination, two directions