plain bearings

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
17 mm x 30 mm x 14 mm ISB GE 17 ET 2RS plain bearings	5400 rpm	50.000 mm	2.00 mm	130.0000 mm
12,7 mm x 22,225 mm x 6,858 mm SIGMA GAZ 008 SA plain bearings	4 x 7/8-9 UNC	EPR 23	711.2 mm	549.275 mm
ISB TSF.R 18 plain bearings	1030 mm	7.5 mm	27000 kN	1500 kg
INA GE850-DO plain bearings	7500 rpm	36000 N	1.50 mm	46800 N
180 mm x 260 mm x 105 mm FBJ GE180ES plain bearings	136 kN	44.45 mm	2 x 3/4-10 UNC	333.375 mm
12 mm x 30 mm x 12 mm NMB RBM12E plain bearings	M 10x20	0.055 kg	15 mm	5 mm
AST AST850SM 4050 plain bearings	1.50 mm	7500 rpm	9000 rpm	9000 rpm
SKF SAL30C plain bearings	498 mm	5 mm	14.7 mm	463 mm
100 mm x 210 mm x 51 mm LS GX100T plain bearings	0.86 kg	98.5 mm	83 mm	Cast iron
60 mm x 105 mm x 63 mm ISB GEG 60 ES plain bearings	57000 N	5000 rpm	6000 rpm	22.00 mm
32 mm x 52 mm x 32 mm INA GIHN-K 32 LO plain bearings	0.875 in	32 kN	181.44 g	15.3 kN
Toyana SA12T/K plain bearings	85.0000 mm	9000 rpm	1.00 mm	60.000 mm