plain bearings

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A plain bearing, or more commonly sliding bearing and slide bearing (in railroading sometimes called a solid bearing, journal bearing, or friction bearing[citation needed]), is the simplest type of bearing, comprising just a bearing surface and no rolling elements. Therefore, the journal (i.e., the part of the shaft in contact with the bearing) slides over the bearing surface. The simplest example of a plain bearing is a shaft rotating in a hole. A simple linear bearing can be a pair of flat surfaces designed to allow motion; e.g., a drawer and the slides it rests on or the ways on the bed of a lathe.

Integral bearings are not as common because bushings are easier to accommodate and can be replaced if necessary. Depending on the material, an integral bearing may be less expensive but it cannot be replaced. If an integral bearing wears out, the item may be replaced or reworked to accept a bushing. Integral bearings were very common in 19th-century machinery, but became progressively less common as interchangeable manufacture became popular.

Bearing Number Bore Dia Outer DIa Width Size
76,2 mm x 120,65 mm x 114,3 mm LS GEWZ76ES plain bearings 15mm 1205ktnc3-qbl C3 52mm
110 mm x 160 mm x 78 mm LS GEH110HT plain bearings 115mm 28mm Standard Open Type
19.05 mm x 31,75 mm x 16,662 mm LS GEZ19ET-2RS plain bearings 0.02 KGS Open Type 115 17.2
130 mm x 200 mm x 110 mm LS GEF130ES plain bearings 50 0.02 KGS 7500 2.12
22 mm x 42 mm x 28 mm LS GEBJ22C plain bearings 107.798 mm 215.9 mm 749.3 mm 1/4 NPT
LS SABP18S plain bearings 6213zz-nsk 5300 6300 Two Metal Shields
LS SQG5 plain bearings 15 mm 0.0023 kg 23 mm 80 N/mm²
82,55 mm x 130,175 mm x 72,238 mm LS GEZ82ES-2RS plain bearings 5000 rpm 6700 rpm 90.0000 mm 1.50 mm
30 mm x 47 mm x 30 mm LS GEEW30ES-2RS plain bearings Steel 1400 24136cck30/c3w33-skf 300mm
380 mm x 520 mm x 190 mm LS GEC380XS-2RS plain bearings 7322-b-tvp-ua-fag In Stock Plastic 9.74 KGS
LS SIJ14 plain bearings 24156kembw33w45a-tim 460mm 280mm In Stock
100 mm x 150 mm x 71 mm LS GEH100XT plain bearings 32010x-timken Steel 82.7 92.7