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Bearing (mechanical) print that page


A bearing is a device to allow constrained relative motion between two or more parts , typically rotation or linear movement. Bearings may be classified broadly according to the motions they allow and according to their principle of operation as well as by the directions of applied loads

Jewel bearing print that page


A jewel bearing is a plain bearing in which a metal spindle turns in a jewel -lined pivot hole. The hole is typically shaped like a torus and is slightly larger than the shaft diameter. In operation, the shaft tilts slightly so as to contact the jewel pivot hole at two opposite points

Bushing print that page

Look up bushing in Wiktionary , the free dictionary. Bushing may refer to: Bushing bearing ) , a type of plain bearing Bushing (electrical) Bushing (isolator) , a mechanical device used to reduce vibrations Bushing (pipe) Threaded bushing , a metal sleeve with screw threads | 2010/9/25 3:43:01

Pillow block bearing print that page


A pillow block , also known as a plummer block [ 1 ] or bearing housing , is a pedestal used to provide support for a rotating shaft with the help of compatible bearings & various accessories. Housing material for a pillow block is typically made of cast iron or cast steel. [ edit ] Selection

Needle roller bearing print that page


A needle roller bearing is a bearing which uses small cylindrical rollers . They are used to reduce friction of a rotating surface. Needle bearings have a large surface area that is in contact with the bearing outer surfaces compared to ball bearings . Additionally there is less added

Fluid bearing print that page


fluid bearings 4 References 5 External links [ edit ] Operation A hydrostatic bearing has two surfaces which has a fluid forced, via a restrictive orifice, in between the surfaces so that it keeps them apart. If the gap between the surfaces reduces then the outflow via the

Mechanical watch print that page


A mechanical watch is a watch that uses a mechanical mechanism to measure the passage of time, as opposed to modern quartz watches which function electronically. It is driven by a spring (called a mainspring ) which must be wound periodically. Its force is transmitted through a series

Magnetic bearing print that page


A magnetic bearing is a bearing which supports a load using magnetic levitation . Magnetic bearings support moving machinery without physical contact, for example, they can levitate a rotating shaft and permit relative motion with very low friction and no mechanical wear. They are in service

Rolling-element bearing print that page


A rolling-element bearing , also known as a rolling bearing , [ 1 ] is a bearing which carries a load by placing round elements between the two pieces. The relative motion of the pieces causes the round elements to roll with very little rolling resistance and with little sliding . One

Phonograph print that page


The phonograph record player , or gramophone (letter + sound) is a device introduced in 1877 that continued common use until the 1980s for reproducing (playing) sound recordings , although when first developed, the phonograph was used to both record and reproduce sounds. The recordings played