AMERICAN NTN BEARING MFG.CORP.

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[1] 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.

Plain bearing construction may be solid or with a split joint (wrapped bearings) for easier installation. It is important to match the bearing to the application. High loads call for bearings with increased contact area and high load bearing capacity. Bearings with solid lubricants are designed to operate at higher temperatures than those lubricated with oil or grease. And high speed applications call for special lubricants to minimize heat build-up and friction.

Plain bearings are manufactured with different constructions and product selection depends on the operating conditions of the application and performance requirements.

AURORA COM-M12 Plain Bearings
1045 Carbon Steel
Yes (with retaining
AURORA COM-M10T Plain Bearings
Single
17
AURORA COM-8T-24 Plain Bearings
Cast Iron
Cylindrical Bore Set
AURORA GEZ008ES Plain Bearings
13 mm
54.2 mm
AURORA HCOM-24TKH Plain Bearings
5 mm
39 mm
AURORA HCOM-20TKH Plain Bearings
11 mm
3.7 Nm
AURORA GEWZ028ES-2RS Plain Bearings
No
6
AURORA GEWZ022ES Plain Bearings
Bearings with Housin
No
AURORA COM-16TKH Plain Bearings
33 mm
42.05 mm
AURORA GEWZ020ES Plain Bearings
DD (Contact Rubber S
608
AURORA GACZ020S Plain Bearings
No
Double
AURORA GEWZ024ES-2RS Plain Bearings
120 mm
24 mm
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