pillow block

noun

, Machinery.

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

pillow block

noun

1. machinery a block that supports a journal bearing Also calledplummer block

Word History and Origins

Origin of pillow block¹

First recorded in 1835–45

Example Sentences

The cord or line is set true to the cylinder bore, and coincident with the centre of the pillow block, as at a a in Fig.

From Project Gutenberg

Draw these views properly projected from one another, showing the pillow block, which is to be proportioned by the rules given on page 32.

From Project Gutenberg

It is supported at a distance of one meter from the floor by four pillow blocks, and is formed of three sections united by movable coupling boxes.

From Project Gutenberg

A loose pillow block box is a good "knocker."

From Project Gutenberg

The main pillow block has a base 6½ feet long by 21 inches bearing, weighing 2,800 pounds.

From Project Gutenberg