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

280 mm x 400 mm x 155 mm ISO GE 280 ECR-2RS plain bearings

3 in Concentric Collar
7.7500 in 57750 lbf

22,225 mm x 36,525 mm x 33,325 mm SIGMA GEZM 014 ES plain bearings

VV (Non-Contact Rubb [Steel] Steel
Deep Groove Ball Bea 35 ~ 70

AST AST800 1215 plain bearings

1.4375 in 5 in
Cast Iron 16000 lb

38,1 mm x 42,069 mm x 31,75 mm SKF PCZ 2420 M plain bearings

0.866 in UC204-12MZ2
3.5469 in Standard Duty

220 mm x 320 mm x 135 mm LS GE220XF/Q plain bearings

Solid Flange Mount Double Lip
Uncoated Standard Duty

100 mm x 150 mm x 70 mm ZEN GE100ES plain bearings

Compact Type Flange Type
37 ZZ (Double Shield)

INA GE320-DO plain bearings

39000 N 2.7500 in
0.7500 in 3.1250 in

40 mm x 62 mm x 28 mm SKF GE40ES-2LS plain bearings

Insert Bearing Unit No Cover
Used for Light load Bearing Steel

114,3 mm x 177,8 mm x 100,013 mm LS GEZ114ES-2RS plain bearings

No Flat
E Radial

200 mm x 205 mm x 100 mm SKF PCM 200205100 E plain bearings

Four-Bolt Square Lubrication Fitting
Contact/Lip Cast Iron

60 mm x 95 mm x 22 mm Timken GE60SX plain bearings

Uncoated 7.2500 in
Round 2-3/8 in
1/18