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Edexcel AS Product Design - Components > Bearings > Flashcards

Flashcards in Bearings Deck (8)
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1

What is a bearing?

Supports a rotating shaft or axel

2

Name the 3 types of bearings

Plain
Journal
Roller

3

What is a plain bearing?
Name it's properties

Made from brass/nylon
Self lubricating
Cheap
Hold a high load

4

What is a journal bearing?
Name it's properties

Looks and acts as plain bearing
Oil lubricated

5

What is a roller bearing?
Name it's properties

Inner race spin independently from outer race
Needs to be hard so can support large load
High cost

6

When is a plain bearing used?

Low revolution
High load

7

When is a journal bearing used?

Low revolution
Key use where there can be no wear

8

When is a roller bearing used?

Low load
High revolution