plummer block

noun

plummer block

noun

Etymology From an unknown word, possibly the surname Plummer a1796, + block

1

A mounting used to support a rotating shaft, using a bearing in a two-piece housing which is bolted to a foundation or bedplate with the mounted shaft in a parallel plane to the mounting surface and perpendicular to the centre line of the mounting holes; functionally similar to a pillow block.

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.