Roller Bearings Flashcards

1
Q

Spherical roller bearings accommodate misalignment from?

A

0.5 degrees to 2 degrees

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

The contact type for roller bearings is what?

A

Line contact

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Roller types are divided into 4 main categories:

A

Cylindrical, spherical, tapered, needle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Roller bearings are able to handle what kind of loads and what kind of impact or shock?

A

Heavy loads, high impact or shock

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Of the 4 types of roller bearings, which has the highest radial load and speed capability?

A

Cylindrical bearings

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What are the true limiting factors for a cylindrical bearing?

A

Heat generated, heat dissipated

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

The speed of a cylindrical roller bearing may be limited by several factors, list 5.

A

Construction of the bearing, heat dissipation, type of lube, length to diameter ratio, roller guidance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

The two types of ways bearings can be mounted in a housing are what?

A

Fixed and floating bearings

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Though roller bearings support more load than ball bearings, roller types are sensitive to what?

A

Misalignment

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What are the two types of needle bearings?

A

Cage separated types and full compliment (drawn cup)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Features of needle bearings.

A

Heavy radial loads in a minimal amount of radial space

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

The construction of this bearing type consists of an inner and outer race with a plain or rolling element bearing between the races.

A

Cam type and load following bearings

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What are cage separated type bearings used to accommodate ?

A

Higher speeds and more precision rolling

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Other name for a full compliment style bearing?

A

Drawn cup needle bearing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What does floating bearing allow for?

A

Allows axial forces to pass through the bearing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

The most compact and economical arrangement uses what?

A

The equipment shaft as bearings inner race

17
Q

Ratio for spherical roller bearings

A

4 to 1

18
Q

Tapered bearing components include what?

A

Inner race (cone) outer ring (cup)

19
Q

Because tapered bearing support thrust loads in 1 direction….

A

They are generally used in pairs facing opposite direction.

20
Q

Features of full compliment (drawn cup)

A

Grease retained, rollers are supported by each other

21
Q

Features of cage separated?

A

Rollers are supported by cage and high speed precision rolling