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.

80 mm x 120 mm x 55 mm SKF GE 80 ES plain bearings

0.361 78.7 mm
0.12 kg 78 kN

340 mm x 540 mm x 105 mm INA GE 340 AW plain bearings

Bearing Steel No
No Cover Insert Bearing Unit

ISB TSF.R 25 plain bearings

42.9 mm P207-
17mm 94 mm

AST AST40 160115 plain bearings

20 mm 100 °C
108 mm SCOU206-19

Toyana TUP2 90.90 plain bearings

7 Days For Outer Ring
11 Negative Tolerance

Toyana TUP2 15.20 plain bearings

3,300 rpm 111 mm
90 mm 4.86 Hz

AST AST20 06IB08 plain bearings

6.06 kg 46 mm
M6x1 65.1 mm

420 mm x 560 mm x 190 mm ISO GE 420 ES plain bearings

Quote Steel
Bearing unit Cylindrical Bore Set

AST AST50 64IB60 plain bearings

Bottom Mount 8 Days
Double Deep Groove Ball Bea

20 mm x 35 mm x 16 mm LS GE20ET/X plain bearings

16**/6*** series /2AS
190 Metric System
1/18