BEARING INDUSTRIA CUSCINETTI S.P.A.

NSK 6200 Bearing

 

Plain bearings,Bushings

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.

Integral plain bearings are built into the object of use as a hole prepared in the bearing surface. Industrial integral bearings are usually made from cast iron or babbitt and a hardened steel shaft is used in the bearing.

Integral bearings are not as common because bushings are easier to accommodate and can be replaced if necessary.Depending on the material, an integral bearing may be less expensive but it cannot be replaced. If an integral bearing wears out, the item may be replaced or reworked to accept a bushing. Integral bearings were very common in 19th-century machinery, but became progressively less common as interchangeable manufacture became popular.

For example, a common integral plain bearing is the hinge, which is both a thrust bearing and a journal bearing.

75 mm x 90 mm x 70 mm  skf PBM 759070 M1G1 Plain bearings,Bushings
75 mm x 90 mm x 70 mm skf PBM 759070 M1G1 Plain bearings,Bushings
4 Bolt Square Flange
Bearing
15 mm x 19 mm x 25 mm  skf PSM 151925 A51 Plain bearings,Bushings
15 mm x 19 mm x 25 mm skf PSM 151925 A51 Plain bearings,Bushings
PEER BEARING CO.
M06110
3,175 mm x 4,763 mm x 4,763 mm  skf PCZ 0203 E Plain bearings,Bushings
3,175 mm x 4,763 mm x 4,763 mm skf PCZ 0203 E Plain bearings,Bushings
Cartridge Bearing
1.188 Inch | 30.18 M
19.05 mm x 22,225 mm x 19,05 mm  skf PCZ 1212 M Plain bearings,Bushings
19.05 mm x 22,225 mm x 19,05 mm skf PCZ 1212 M Plain bearings,Bushings
97322
No
30 mm x 40 mm x 45 mm  skf PSM 304045 A51 Plain bearings,Bushings
30 mm x 40 mm x 45 mm skf PSM 304045 A51 Plain bearings,Bushings
N/A
FAG BEARING
31.75 mm x 35,719 mm x 19,05 mm  skf PCZ 2012 E Plain bearings,Bushings
31.75 mm x 35,719 mm x 19,05 mm skf PCZ 2012 E Plain bearings,Bushings
0883450314893
Mounted Units &
19.05 mm x 22,225 mm x 19,05 mm  skf PCZ 1212 E Plain bearings,Bushings
19.05 mm x 22,225 mm x 19,05 mm skf PCZ 1212 E Plain bearings,Bushings
0888569097941
N/A
150 mm x 170 mm x 240 mm  skf PBM 150170240 M1G1 Plain bearings,Bushings
150 mm x 170 mm x 240 mm skf PBM 150170240 M1G1 Plain bearings,Bushings
PT INTERNATIONAL
Mounted Units &
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Plain bearings,Bushings
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