Plain bearing
Videos
A plain bearing, or more commonly sliding contact bearing and slide bearing, is the simplest type of bearing, comprising only a bearing surface and no rolling elements. Therefore, the part of the shaf
Plain bearing on a 1906 S-Motor locomotive showing the axle, bearing, oil supply and oiling pad
A wheelset from a Great Western Railway (GWR) wagon showing a plain, or journal, bearing end
Split bi-material bushings: a metal exterior with an inner plastic coating
Archbar type truck with journal bearings in journal boxes as used on some steam locomotive tenders. A version of the archbar truck was at one time also used on US freight cars.
Rolling-element bearing
Videos
In mechanical engineering, a rolling-element bearing, also known as a rolling bearing, is a bearing which carries a load by placing rolling elements between two concentric, grooved rings called races.
Plain bearing
…plain bearings once used at the ends of the axles of railroad wheel sets, enclosed by axleboxes (also called journal boxes). Axlebox bearings today are rolling-element bearings rather than plain bearings. Linear bearing: This bearing provides linear motion; it may take the form of a circular bearing and shaft or any other two…
Study of ball bearing by Leonardo da Vinci (1452–1519)
A gear bearing
A needle roller bearing
A prematurely failed rear bearing cone from a mountain bicycle, caused by a combination of pitting due to wet conditions, improper lubrication, improper pre-load adjustment, and fatigue from frequent shock loading.