Bearings • Bushings
A common type of plain bearing, a bushing is typically inserted into a housing to provide a bearing surface for rotary applications. Industrial-style bushings are common within oil field applications, and manufacturing and metal fabricating operations. Bushings are also used in computer, consumer electronics, aerospace, and medical applications. Common bushing designs include solid, (sleeve and flanged), split, and clenched. Solid sleeved bushings are a solid all the way around, while split bushings have a cut along the length of the bushing. Clenched bearings are similar to split bushings, but feature a clench between the halves. Flanged bushings are a sleeve bushing with a flange extending radially outward. Linear bushings are secured with two retaining rings and not pressed into a housing.
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Ryder-Heil specializes in the manufacture of custom bronze bushings that can support up to 1,200 lbs., with a maximum outside diameter of 42 inches. The company offers a special alloy called Virgaloy G, which provides high compression strength while maintaining anti-friction properties.
eShaft case 60 manufactures ten types of linear bushings. The TW Topball Inch comes open or closed, with between 4 and 6 ball circuits, and ten nominal shaft diameters between 0.1875" and 2". The TWA Block, TWJ Clearance Adjustable Block, and SWA Block Types come in nine sizes, with nominal shaft diameters ranging from 0.25" to 2". The TWD Open Block, SWJ Clearance Adjustable Block, and SWD Open Block Types comes in seven sizes, with nominal shaft diameters ranging from 0.5" to 2". The SW Standard Type comes in 12 sizes, with a shaft diameter range of 0.25" to 4". The SW-AJ Clearance Adjustable and SW-OP Open Types come in 10 sizes, with shaft diameter ranges between 0.5" and 4".
Advance Bronze Inc. provides plain bushings, flanged, split, and full half bearings according to customer specifications. Their bushings can be found in several industries, including aircraft, automotive, and other transportation; machine tool and drilling; and hydraulics and pneumatics.