Bearings • Sleeve Bearings
A type of plain bearing used to reduce friction and increase spin time, sleeve bearings consist of a plastic sleeve that revolves around a metal axle. Sleeve bearings are made of compressed powdered metal - such as bronze or copper - and are found in automobiles, home appliances, fans and office machinery. Bronze sleeve bearings are considered the most widely used sleeve bearing type, and can operate over a wider range of PV valves when compared to other bearing types. While they are self-lubricating, sleeve bearings are often shielded from dust and dirt by applying seals.
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National Bronze Manufacturing offers standard, custom, and sintered bronze bushings, available in either grooved or plain bore style. Other parts produced include brass (or bronze) gear blanks, bowl bushings, metric bushings, and leaf spring bronze bushings.
Bushings Inc. offers sleeve bearings and pillow blocks, that are insulated with Neoprene, to accommodate shaft misalignment and provide extremely quiet operation. These products require no line reaming and self-lubricate constantly.