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About Plain Bearings and Sleeve Bearings
Plain bearings and sleeve bearings (also referred to as bushings or journal bearings) are used to constrain, guide or reduce friction in rotary or linear applications. They function via a sliding action instead of the rolling action used by ball, roller, and needle bearings. Plain bearings and sleeve bearings are made from a variety of materials and are often self-lubricating to provide smooth operation and greater durability. Hydrostatic, hydrodynamic, and fluid film bearings are plain bearings and sleeve bearings that rely on a film of oil or air to create a clearance between the moving and stationary elements. Some products are designed for extreme environments and can withstand high or low temperatures. Others are suitable for hazardous environments with high levels of shock and vibration. Applications for plain bearings and sleeve bearings include food processing machinery, home appliances, packaging equipment, office machines, and automotive equipment.
There are several important dimensional specifications for plain bearings and sleeve bearings. Examples include shaft outer diameter (OD), bearing inner diameter (ID), bearing OD, length, flange diameter, flange thickness, and housing bore. Both metric and English or imperial pitch bearings are available. Typically, manufacturers use a standard numbering system for bearings with metric diameter bores. For bore sizes 04 and up, multiplying the size by 5 yields the bore in millimeters. Hexagonal bores are measured across the flats. Tapered bores are measured by the smaller diameter. In terms of bushing styles, products with cylindrical or flanged bushings are commonly available.
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Engineering Web: Plain Bearings and Sleeve Bearings
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Bearing (mechanical) - Wikipedia, the free encyclopedia sliding bearings, usually called "bushes", "bushings", "journal bearings", "sleeve bearings", "rifle bearings", or "plain bearings" |
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Plain Bearings Outperform Rolling-Element Bearings | Machine... Plain or sleeve bearings are replacing rolling-element bearings in a wide range of products including pumps, wind turbines, and equipment for |
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Linear Ball Bearings Needle Roller Plastic Precision Thrust... SDP/SI ON-LINE eStore offers: Linear Ball Bearings, Sleeve Bearings, Retaining Rings. See Stock Drive Products/Sterling Instrument - SDP/SI Profile & Catalog |
Part Numbers for Plain Bearings and Sleeve Bearings
| Part # | Distributor | Manufacturer | Product Category | Description |
|---|---|---|---|---|
| Sleeve Bearing | Trelleborg Sealing Solutions | Plain Bearings and Sleeve Bearings | Possess superior mechanical and physical properties | |
| MRS0407-6 | Welker Engineered Products | Plain Bearings and Sleeve Bearings | Suited for low load, average speed apps, chemically inert, filled PTFE | |
| MRS0711-8 | Welker Engineered Products | Plain Bearings and Sleeve Bearings | Suited for low load, average speed apps, chemically inert, filled PTFE | |
| MRS0306-5 | Welker Engineered Products | Plain Bearings and Sleeve Bearings | Suited for low load, average speed apps, chemically inert, filled PTFE |
