A bearing is a machine element that constrains relative motion to only the desired motion, and reduces friction between moving parts. The design of the bearing may, for example, provide for free linear movement of the moving part or for free rotation around a fixed axis; or, it may prevent a motion by controlling the vectors of normal forces that bear on the moving parts. Most bearings facilitate the desired motion by minimizing friction. Bearings are classified broadly according to the type of operation, the motions allowed, or to the directions of the loads (forces) applied to the parts.
An idler or idler-wheel is wheel or pulley which serves only to transmit rotation from one shaft to another (or as a to guide or tension a belt), in applications where it is undesirable to connect them directly.
APW Wyott is a leading source of quality equipment solutions to the food service and retail industries worldwide. The company supplies a wide selection of equipment for cooking, toasting, heating & holding, warming and merchandising food items. APW Wyott serves customers in the fast food, casual and fine dining, convenience store, supermarket, hospitality and institutional markets the world over.
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