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.

Plain bearings, in general, are the least expensive type of bearing. They are also compact and lightweight, and they have a high load-carrying capacity.

Bearing Number	Bore Dia	Outer DIa	Width	Size
80 mm x 130 mm x 70 mm ISB GE 80 XS K plain bearings	75 mm	Two Contact Seals	130 mm	Without Snap Ring
SKF SIL50ES-2RS plain bearings	0.1900 in	200 lb	.4690 in	Grease
12 mm x 22 mm x 10 mm NSK 12FSF22 plain bearings	8.017 in	TAN-140	10.11 in	K9
Toyana TUP2 300.80 plain bearings	0.6250 in	1000 lb	1.3440 in	Grease
AST ASTT90 F16090 plain bearings	17.283-5 in	0.604 in	20-1/2 in	P88
200 mm x 320 mm x 165 mm FBJ GEG200ES plain bearings	3.2500 in	Exceptional Bearing Protection, Rotating Applications, Pumps, Gearboxes, Motors, Energy Efficient Applications, Primary Metals Industry, Steel Industry, Aluminum Industry, Pulp and Paper Industry, Che	Labyrinth	3926904590.US
100 mm x 160 mm x 85 mm ISO GE100FW-2RS plain bearings	3.8750 in	50200 lbf, 87500 lbf	1.4219 in	77000 lbf
IKO PHS 20EC plain bearings	0.6250 in	1000 lb	1.3440 in	Grease
100 mm x 105 mm x 60 mm SKF PCM 10010560 M plain bearings	3/4 in	Oil-Filled Grooves	1-5/16 in	+10 to +220 °F
88,9 mm x 139,7 mm x 77,775 mm FBJ GEZ88ES-2RS plain bearings	4.9375 in	5.0400 in	19.7000 in	Non-Expansion Bearing (Fixed)
AST AST090 10580 plain bearings	50 mm	Thrust Washer	70 mm	Needle Roller Thrust
10 mm x 26 mm x 10 mm NMB PR10 plain bearings	162.281 mm	N 032	8.156 in	W