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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Brance-Krachy offers Taper-Lock bushings (TLB) and QD bushings from Dodge Power Transmission and Martin Sprocket, in addition to Oilfield QD Bushings for oil field applications. The TLBs have a variety of features; some include a threaded hole, allowing a removed capscrew to be used as a jackscrew; others can be used with a Para-Flex GTL coupling to create a torque capacity up to 11,600 lbs. Overall, the company offers a total of 12 bushing series to accommodate almost any bore size.
Elder Rubber Co. stocks and distributes a variety of standard rubber bushings. Depending on model the total height of each bushing ranges from 1/4 to 2.500, with flange and stem heights ranging from 0.055 to 3.200. Diameters of each bushing include: inside diameters from 0.1875 to 6.700, stem diameters from 0.281 to 9.630, and flange diameters from 0.375 to 14.300.
Washington Iron Works, Inc. is a fabricator of bearings and bushings including bronze bearings, aluminum bearings and babbitt line bearings in standard and custom sizes.
Bearing Kinetics specializes in bearings and special assemblies for aerospace and industrial applications, include drill jig bushings. These drill bushings are manufactured from C1144 stress-proof steel and other high carbon steels, with a hardness of 62-64 Rockwell C. Several types are available, include headless press-fit (Type P), head press-fit (Type H), fixed renewable (Type F), slip-fixed renewable (Type SF), headless liner (Type L), and head liner(Type HL).