Roller Bearings

Question 1

4 types of roller bearings:

Answer 1

1) Cylindrical
2) Needle
3) Spherical
4) Tapered

Question 2

More surface area on shaft allows for _____ loads than similarly sized ball bearings?

Answer 2

Heavier

Question 3

Cylindrical roller bearings can handle _____ to _____ loads and ____ shock loads?

Answer 3

Moderate, high, high

Question 4

What contact are roller bearings?

Answer 4

Line

Question 5

5 cylindrical rolling bearings limiting factors:

Answer 5

1) Heat dissipation
2) Shaft installation
3) Lubrication
4) Cage type
5) Alignment

Question 6

Speed of cylindrical rolling bearings is ____ to that of comparable ball bearings?

Answer 6

Equal

Question 7

Bearing mounted in a fixed position on the shaft?

Answer 7

Fixed bearing

Question 8

Mounting that allows Axial force to pass though?

Answer 8

Floating Mount

Question 9

Roller bearings handle more ____ than ball bearings but are more sensitive to ____?

Answer 9

Load
Misalignment

Question 10

2 types of needle bearings:

Answer 10

1) Cage separated
2) Full complement

Question 11

2 characteristics of cage separated needle bearings:

Answer 11

1) More speed, more precision
2) Bearing retainer on assembly

Question 12

1 characteristic of a full complement needle bearing:

Answer 12

1) Each needle in bearing is touching

Question 13

Needle bearings carry _____ radial loads with _____ radial space

Answer 13

Heavy
Minimal

Question 14

2 characteristics of grease retained, drawn cup needle bearings:

Answer 14

1) No inner race
2) Fits rollers directly onto shaft

Question 15

The most _____ and _____ arrangements use the equipment shaft as the ____ race?

Answer 15

Compact
Economical
Inner

Question 16

Consists of inner and outer race with plain or rolling element between races?

Answer 16

Cam type and load following bearings

Question 17

3 Spherical roller bearing characteristics:

Answer 17

1) Accommodates Misalignment
2) .5 to 2 degrees
3) 4lb radial per 1lb thrust

Question 18

4 components that make up a tapered roller bearing:

Answer 18

1) Inner ring
2) Outer ring
3) Tapered rollers
4) Cage

Question 19

_____ _____ for radial loads
_____ _____ for thrust loads

Answer 19

Shallow angle
Steep angles

Question 20

Cylindrical roller bearings have higher ____ & ____ loads

Answer 20

Radial and thrust

Question 21

Needle bearings have higher _____ loads

Answer 21

Radial

Question 22

Spherical bearings have higher _____ availability

Answer 22

Misalignment

Question 23

Tapered bearings allow high _____ loads

Answer 23

Thrust

Question 24

What is the disadvantage of roller bearings over ball bearings?

Answer 24

Can’t handle Misalignment