Pillow Mount Bearings : Bearings supplied with their own housings, adapters and seals. They mostly incorporate self-aligning bearings which do not require precision mounting
Ministry of Business, Innovation and Employment, Glossary of terms and acronyms, Wellington, New Zealand 2010. http://wwwsosh.govt.nz/resources/glossary-u.shtml, (Occupn Hlth and Sfty - Brit) {530}