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), 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 are used in many industries and across many applications where there is a need to cost-efficiently and reliably meet the challenge of oscillating movements and possible misalignment. From mining and construction equipment, farm and forestry machinery, all the way to forklift trucks and solar power equipment.

 

The use of bearings, simplistic as they may have been then, dates back to at least the ancient Egyptians, and perhaps even predated the invention of the wheel. Today bearings can be found wherever there is relative motion between two surfaces, which includes virtually everything from household appliances to industrial machinery.

 

AST AST20 5060 plain bearings

26 65
35 35x65x26

AST ASTT90 F5530 plain bearings

4,030,000 1.000
AST 1.000

LS SAZP7N plain bearings

1790 kN 89,784 Kg
200 2580 kN

AST AST090 16570 plain bearings

21 mm 14 mm
47 mm 8 mm

AST ASTB90 F12060 plain bearings

34,925 mm 1,02 mm
34,925 25,4 mm

ISB GAC 240 CP plain bearings

FAG R150.34
713667770 CX685

Timken 13SBT22 plain bearings

85 mm 6,04 Kg
100x160x85 1 mm

38,1 mm x 61,912 mm x 33,32 mm NSK 15SF24 plain bearings

M06110 3600 r/min
Lubrication Fitting 43 mm

88,9 mm x 139,7 mm x 77,78 mm SKF GEZ308TXE-2LS plain bearings

15 Kg 387,35
RHP 292,1

35 mm x 62 mm x 35 mm ISO GE 035 HCR-2RS plain bearings

2.22 65 mm
1.1 140
2/18