thrust bearing: meaning, definition, pronunciation and examples

Low (Highly specialized technical term)
UK/ˈθrʌst ˌbeə.rɪŋ/US/ˈθrʌst ˌber.ɪŋ/

Technical / Engineering

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Quick answer

What does “thrust bearing” mean?

A specific type of bearing designed to support axial loads (forces parallel to the shaft), preventing movement along the shaft's axis.

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Pronunciation

Definition

Meaning and Definition

A specific type of bearing designed to support axial loads (forces parallel to the shaft), preventing movement along the shaft's axis.

In a metaphorical sense, it can refer to any component or mechanism that absorbs or manages a direct, forward-pushing force or pressure within a system.

Dialectal Variation

British vs American Usage

Differences

No significant lexical or spelling differences. Potential minor pronunciation differences in the word 'bearing' (/ˈbeə.rɪŋ/ vs /ˈber.ɪŋ/).

Connotations

Purely technical with no regional connotative differences.

Frequency

Equally low-frequency and specialized in both dialects, used only in relevant engineering and mechanical contexts.

Grammar

How to Use “thrust bearing” in a Sentence

The [component] requires a thrust bearing to [function]A thrust bearing is installed to [prevent axial movement]The [machine]'s thrust bearing failed due to [excessive load]

Vocabulary

Collocations

strong
axialloadshaftsupportrotorfailurereplacementlubricate
medium
heavy-dutymainsphericalballrollerinstallinspect
weak
precisiondamagedcomponentassemblyhousingmanufacturer

Examples

Examples of “thrust bearing” in a Sentence

verb

British English

  • [N/A for this noun compound]

American English

  • [N/A for this noun compound]

adverb

British English

  • [N/A]

American English

  • [N/A]

adjective

British English

  • The thrust-bearing surface was scored.
  • We need a thrust-bearing specialist.

American English

  • The thrust bearing surface showed wear.
  • It's a critical thrust-bearing component.

Usage

Meaning in Context

Business

Rare; only in procurement, technical specifications, or failure reports for mechanical equipment.

Academic

Common in engineering textbooks, research papers, and lectures on machine design, tribology, and dynamics.

Everyday

Virtually never used.

Technical

The primary register. Used in design, maintenance, and operational manuals for machinery (pumps, turbines, gearboxes, propellers).

Vocabulary

Synonyms of “thrust bearing”

Strong

thrust plate (specific type)collar bearing

Neutral

axial bearing

Weak

bearing (hypernym)

Vocabulary

Antonyms of “thrust bearing”

radial bearing

Watch out

Common Mistakes When Using “thrust bearing”

  • Misspelling as one word ('thrustbearing') or hyphenated ('thrust-bearing').
  • Using it to refer to any bearing, rather than specifically one for axial loads.
  • Confusing 'thrust' with general force or pressure.

FAQ

Frequently Asked Questions

A 'regular' (typically radial) bearing supports loads perpendicular to the shaft (radial loads). A thrust bearing specifically supports loads parallel to the shaft (axial or thrust loads).

They are critical in applications with high axial loads: automotive clutches (release bearings), ship propellers, helicopter rotors, turbine engines, water pumps, and gearboxes.

It is standardly written as two separate words: 'thrust bearing'.

Yes. Some bearing types, like angular contact ball bearings or tapered roller bearings, are designed to handle combined loads (both radial and axial). A pure 'thrust bearing' is optimized primarily for axial load.

A specific type of bearing designed to support axial loads (forces parallel to the shaft), preventing movement along the shaft's axis.

Thrust bearing is usually technical / engineering in register.

Thrust bearing: in British English it is pronounced /ˈθrʌst ˌbeə.rɪŋ/, and in American English it is pronounced /ˈθrʌst ˌber.ɪŋ/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • [No common idioms for this highly technical term]

Learning

Memory Aids

Mnemonic

Imagine a rocket's THRUST pushing it forward. The THRUST BEARING is the part inside that handles that pushing force, 'bearing' the load.

Conceptual Metaphor

A BRAKE FOR FORWARD MOTION (within a rotating system). It allows rotation but stops/controls linear push.

Practice

Quiz

Fill in the gap
In a ship's propeller shaft, the absorbs the forward force created by the propeller.
Multiple Choice

What is the primary function of a thrust bearing?