Bearing (mechanical) - WikipediaRotary bearings hold rotating components such as shafts or axles within mechanical systems, and transfer axial and radial loads from the source of the load to the structure supporting it. The simplest form of bearing, the plain bearing, consists of a shaft rotating in a hole. Lubrication is used to reduce frictionBearing | Definition of Bearing by Merriam-Webster1 : the manner in which one behaves or comports oneself : the manner in which one bears (see bear entry 2 sense 2f) oneself a man of dignified bearing … a 
Bearings Catalog | AST BearingsBall bearings can support moderate radial loads and moderate axial loads (parallel to the shaft). They can operate at high speeds. Ball bearings with shields or Bearings - Bearing Parts & Supplies - Grainger Industrial Supply866 products - For thousands of high-quality industrial bearings, small bearings, and bearing accessories, look to Grainger for your bearing supplyBearings | McMaster-CarrChoose from our selection of ball bearings, mounted bearings, roller bearings, and more. In stock and ready to shipBearings Save on Bearings at Amazon's Power Transmission Store, featuring every day low prices on Power Transmission Equipment