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
45 mm x 75 mm x 43 mm FBJ GEG45ES plain bearings	110 mm	C3	200 mm	Pressed Steel
AST AST650 10012060 plain bearings	75 mm	11600 kgf	184.1 mm	7840 kgf
AST AST20 1520 plain bearings	0.5000 in	13500 lb	6 °	1350 lb
AST AST40 F08055 plain bearings	5.4375 in	ZS14NEW	22.0000 in	229620 lb
304,8 mm x 457,2 mm x 228,6 mm LS GEZ304ES-2RS plain bearings	1/2 in	+10 to +220 °F	11/16 in	50000
AST ASTT90 12560 plain bearings	0.7500 in	1400 lb	1.5310 in	Grease
Toyana GE 050 XES plain bearings	1.3750 in	5820 lbf	2.8346 in	3460 lbf
AST ASTT90 20590 plain bearings	3	24 kN	3 Way Jaw Puller	6.4 lbs
AST AST40 F22150 plain bearings	2.5500 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
ISB TAPR 704 DO plain bearings	Straight	Uncoated	C0	Open
15 mm x 38 mm x 15 mm NMB HR15 plain bearings	50 mm	JR	58 mm	0.6 mm
IKO POS 6 plain bearings	1.1875 in	BEO	3.2500 in	19