pillow block

American  

noun

Machinery.

1. a cast-iron or steel block for supporting a journal or bearing.

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pillow block British  

noun

1. Also called: plummer block.  machinery a block that supports a journal bearing

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Etymology

Origin of pillow block

First recorded in 1835–45

Example Sentences

See Examples For:

pillow block

If the pillow block is planed on its bottom face and has its brasses fitted, the latter may be marked off for boring from the line a, Fig.

From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua

Let it be required to cast a pillow block to contain a babbitt-metal bearing.

From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua

Exercise 27: Design for Pillow Block.—Make the necessary working drawings for a pillow block for a shaft 5 inches in diameter, and having a journal 7 inches long.

From An Introduction to Machine Drawing and Design by Low, David Allan

When a pillow block requires to be enveloped by a wall it is provided with a wall box as shown in Fig.

From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua

The eccentric for feathering the floats is fixed to the ship’s side, and sometimes carries a plummer block or pillow block for the paddle shaft bearing.

From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua